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Product DetailSpecification/Dimensions
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Rail Length L(mm)
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Block Type
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Standard -
Wide
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Rail Width W1(mm)
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Mounting Height M(mm)
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Nominal Part Number
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No. of Blocks Used On The Same Rail
- 1
- 2
- 3
- 4
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Block Mounting Hole Pitch (Width Direction)(mm)
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Block Mounting Hole Pitch (Length Direction)(mm)
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Block Mounting Hole Diameter
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Rail Mounting Hole Pitch(mm)
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Rail Mounting Hole Diameter
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Block External Dimension W(mm)
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Block External Dimension L(mm)
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Mounting hole for blocks
- Tapped Holes
- Tapped hole
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Mounting Hole Dimension S(M)
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Mounting Hole Screw Depth(mm)
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Block Dimension L1(mm)
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Symbols for Dust Resistance
- End Seal
- Not Provided
- Seal (End + Side)
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LM Rail Material
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type
- HSR-C
- HSR-LC
- HSR-LR
- HSR-R
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CAD
- 2D
- 3D
Days to Ship
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- All
- 7 Day(s) or Less
Specify Alterations
[Short Delivery Size] Full-Ball Type LM Guide, International Standard, HSR Type (Part Number)
![[Short Delivery Size] Full-Ball Type LM Guide, International Standard, HSR Type](http://in.misumi-ec.com/linked/material/mech/THK1/PHOTO/HSR.jpg?$product_main$)
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Product DetailProduct Description
Each of the ball rows are arranged at a contact point of 45°, allowing the guide to be used with any posture
[Features]
· LM rails and LM blocks feature 4 precision-ground raceways that the balls travel along. The end plates embedded in the LM block circulate the rows of balls.
· Each of the ball raceways have been positioned at a 45° contact angle so that the rated load will be the same in all 4 directions (radial direction, reverse radial direction, horizontal directions) that act on the LM block, allowing it to be used from any position.
· Has a low cross-section height, and the LM block has been designed with a high rigidity, which allows for highly precise and consistent linear motion.
· The well-balanced 4-raceway configuration ensures a sufficient preload is applied, allowing you to increase rigidity in 4 directions with ease.
· With no differential slipping of the balls in relation to any preload or eccentric loads, ensuring smooth operation. Also, its excellent abrasion-resistance ensures accuracy over a long period.
[Applications]
· Surface grinders,electric discharge machining, high-speed conveyors, NC lathes, injection molding machines
· Woodworking machines, semiconductor manufacturing devices, inspection devices, food processing machinery
INDEX
Drawing
HSR-A type, HSR-LA type
Drawing / Standard table
HSR-A type
A type where tapping has been performed on the flange part of the LM block.
HSR-LA type
It is a type with the same cross-sectional shape as the HSR-A type, with a longer LM block overall length (L) and an increased rated load.
Drawing 1 of HSR-A type and HSR-LA type
Drawing 2 of HSR-A type and HSR-LA type
(Unit: mm)
| Nominal model number | External dimensions | LM block dimensions | H3 | LM rail dimensions | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Height M | Width W | Length L | B | C | S | L1 | T | K | N | E | Width W1 ±0.05 | W2 | Height M1 | Pitch F | d1 × d2 × h | ||
| HSR 15 A | 24 | 47 | 56.6 | 38 | 30 | M5 | 38.8 | 7 | 19.3 | 4.3 | 5.5 | 4.7 | 15 | 16 | 15 | 60 | 4.5 × 7.5 × 5.3 |
| HSR 20 A | 30 | 63 | 74 | 53 | 40 | M6 | 50.8 | 9.5 | 26 | 5 | 12 | 4 | 20 | 21.5 | 18 | 60 | 6 × 9.5 × 8.5 |
| HSR 20LA | 30 | 63 | 90 | 53 | 40 | M6 | 66.8 | 9.5 | 26 | 5 | 12 | 4 | 20 | 21.5 | 18 | 60 | 6 × 9.5 × 8.5 |
| HSR 25 A | 36 | 70 | 83.1 | 57 | 45 | M8 | 59.5 | 11 | 30.5 | 6 | 12 | 5.5 | 23 | 23.5 | 22 | 60 | 7 × 11 × 9 |
| HSR 25LA | 36 | 70 | 102.2 | 57 | 45 | M8 | 78.6 | 11 | 30.5 | 6 | 12 | 5.5 | 23 | 23.5 | 22 | 60 | 7 × 11 × 9 |
| HSR 30 A | 42 | 90 | 98 | 72 | 52 | M10 | 70.4 | 9 | 35 | 7 | 12 | 7 | 28 | 31 | 26 | 80 | 9 × 14 × 12 |
| HSR 30LA | 42 | 90 | 120.6 | 72 | 52 | M10 | 93 | 9 | 35 | 7 | 12 | 7 | 28 | 31 | 26 | 80 | 9 × 14 × 12 |
| HSR 35 A | 48 | 100 | 109.4 | 82 | 62 | M10 | 80.4 | 12 | 40.5 | 8 | 12 | 7.5 | 34 | 33 | 29 | 80 | 9 × 14 × 12 |
| HSR 35LA | 48 | 100 | 134.8 | 82 | 62 | M10 | 105.8 | 12 | 40.5 | 8 | 12 | 7.5 | 34 | 33 | 29 | 80 | 9 × 14 × 12 |
Configuration example of nominal model number
Configuration example of nominal model number
*) This nominal model number is 1 set for a 1-axis unit. (The required number for 2-axis parallel use is at least 2 sets.)
If the lubricator QZ is attached, the grease fitting is not attached.
HSR-B type, HSR-LB type
Drawing / Standard table
HSR-B type
Since through holes are machined on the flange of the LM block, they are used when there is no through hole for mounting bolts on the table.
HSR-LB type
It is a type with the same cross-sectional shape as the HSR-B type, with a longer LM block overall length (L) and an increased rated load.
Drawing 1 of HSR-B type and HSR-LB type
Drawing 2 of HSR-B type and HSR-LB type
(Unit: mm)
| Nominal model number | External dimensions | LM block dimensions | H3 | LM rail dimensions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Height M | Width W | Length L | B | C | L1 | T | K | N | E | Width W1 ±0.05 | W2 | Height M1 | Pitch F | d1 × d2 × h | ||
| HSR 15B | 24 | 47 | 56.6 | 38 | 30 | 38.8 | 7 | 19.3 | 4.3 | 5.5 | 4.7 | 15 | 16 | 15 | 60 | 4.5 × 7.5 × 5.3 |
| HSR 20B | 30 | 63 | 74 | 53 | 40 | 50.8 | 9.5 | 26 | 5 | 12 | 4 | 20 | 21.5 | 18 | 60 | 6 × 9.5 × 8.5 |
| HSR 20LB | 30 | 63 | 90 | 53 | 40 | 66.8 | 9.5 | 26 | 5 | 12 | 4 | 20 | 21.5 | 18 | 60 | 6 × 9.5 × 8.5 |
| HSR 25B | 36 | 70 | 83.1 | 57 | 45 | 59.5 | 11 | 30.5 | 6 | 12 | 5.5 | 23 | 23.5 | 22 | 60 | 7 × 11 × 9 |
| HSR 25LB | 36 | 70 | 102.2 | 57 | 45 | 78.6 | 11 | 30.5 | 6 | 12 | 5.5 | 23 | 23.5 | 22 | 60 | 7 × 11 × 9 |
| HSR 30B | 42 | 90 | 98 | 72 | 52 | 70.4 | 9 | 35 | 7 | 12 | 7 | 28 | 31 | 26 | 80 | 9 × 14 × 12 |
| HSR 30LB | 42 | 90 | 120.6 | 72 | 52 | 93 | 9 | 35 | 7 | 12 | 7 | 28 | 31 | 26 | 80 | 9 × 14 × 12 |
| HSR 35B | 48 | 100 | 109.4 | 82 | 62 | 80.4 | 12 | 40.5 | 8 | 12 | 7.5 | 34 | 33 | 29 | 80 | 9 × 14 × 12 |
| HSR 35LB | 48 | 100 | 134.8 | 82 | 62 | 105.8 | 12 | 40.5 | 8 | 12 | 7.5 | 34 | 33 | 29 | 80 | 9 × 14 × 12 |
Configuration example of nominal model number
Configuration example of nominal model number
*) This nominal model number is 1 set for a 1-axis unit. (The required number for 2-axis parallel use is at least 2 sets.)
If the lubricator QZ is attached, the grease fitting is not attached.
HSR-R type, HSR-LR type
HSR-R type
The LM block width (W) is narrowed and tapped, making it ideal for compact designs.
HSR-LR type
It is a type with the same cross-sectional shape as the HSR-R type, with a longer LM block overall length (L) and an increased rated load.
Drawing 1 of HSR-R type and HSR-LR type
Drawing 2 of HSR-R type and HSR-LR type
(Unit: mm)
| Nominal model number | External dimensions | LM block dimensions | H3 | LM rail dimensions | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Height M | Width W | Length L | B | C | S × l | L1 | T | K | N | E | Width W1 ±0.05 | W2 | Height M1 | Pitch F | d1 × d2 × h | ||
| HSR 15R | 28 | 34 | 56.6 | 26 | 26 | M4 × 5 | 38.8 | 6 | 23.3 | 8.3 | 5.5 | 4.7 | 15 | 9.5 | 15 | 60 | 4.5 × 7.5 × 5.3 |
| HSR 20R | 30 | 44 | 74 | 32 | 36 | M5 × 6 | 50.8 | 8 | 26 | 5 | 12 | 4 | 20 | 12 | 18 | 60 | 6 × 9.5 × 8.5 |
| HSR 20LR | 30 | 44 | 90 | 32 | 50 | M5 × 6 | 66.8 | 8 | 26 | 5 | 12 | 4 | 20 | 12 | 18 | 60 | 6 × 9.5 × 8.5 |
| HSR 25R | 40 | 48 | 83.1 | 35 | 35 | M6 × 8 | 59.5 | 9 | 34.5 | 10 | 12 | 5.5 | 23 | 12.5 | 22 | 60 | 7 × 11 × 9 |
| HSR 25LR | 40 | 48 | 102.2 | 35 | 50 | M6 × 8 | 78.6 | 9 | 34.5 | 10 | 12 | 5.5 | 23 | 12.5 | 22 | 60 | 7 × 11 × 9 |
| HSR 30R | 45 | 60 | 98 | 40 | 40 | M8 × 10 | 70.4 | 9 | 38 | 10 | 12 | 7 | 28 | 16 | 26 | 80 | 9 × 14 × 12 |
| HSR 30LR | 45 | 60 | 120.6 | 40 | 60 | M8 × 10 | 93 | 9 | 38 | 10 | 12 | 7 | 28 | 16 | 26 | 80 | 9 × 14 × 12 |
| HSR 35R | 55 | 70 | 109.4 | 50 | 50 | M8 × 12 | 80.4 | 11.7 | 47.5 | 15 | 12 | 7.5 | 34 | 18 | 29 | 80 | 9 × 14 × 12 |
| HSR 35LR | 55 | 70 | 134.8 | 50 | 72 | M8 × 12 | 105.8 | 11.7 | 47.5 | 15 | 12 | 7.5 | 34 | 18 | 29 | 80 | 9 × 14 × 12 |
Configuration example of nominal model number
Configuration example of nominal model number
*) This nominal model number is 1 set for a 1-axis unit. (The required number for 2-axis parallel use is at least 2 sets.)
If the lubricator QZ is attached, the grease fitting is not attached.
HSR-C type, HSR-LC type
HSR-C type
The flange of the LM block is tapped.
It can be installed from either the top or the bottom.
It is used when the table cannot be drilled with through holes for mounting bolts.
HSR-LC type
It is a type with the same cross-sectional shape as the HSR-C type, with a longer LM block overall length (L) and an increased rated load.
Drawing 1 of HSR-C type and HSR-LC type
Drawing 2 of HSR-C type and HSR-LC type
(Unit: mm)
| Nominal model number | External dimensions | LM block dimensions | H3 | LM rail dimensions | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Height M | Width W | Length L | B | C | S | L1 | T | K | N | E | Width W1 ±0.05 | W2 | Height M1 | Pitch F | d1 × d2 × h | ||
| HSR 15C | 24 | 47 | 56.6 | 38 | 30 | M5 | 38.8 | 7 | 19.3 | 4.3 | 5.5 | 4.7 | 15 | 16 | 15 | 60 | 4.5 × 7.5 × 5.3 |
| HSR 15LC | 24 | 47 | 74.6 | 38 | 30 | M5 | 56.8 | 7 | 19.3 | 4.3 | 5.5 | 4.7 | 15 | 16 | 15 | 60 | 4.5 × 7.5 × 5.3 |
| HSR 20C | 30 | 63 | 74 | 53 | 40 | M6 | 50.8 | 9.5 | 26 | 5 | 12 | 4 | 20 | 21.5 | 18 | 60 | 6 × 9.5 × 8.5 |
| HSR 20LC | 30 | 63 | 90 | 53 | 40 | M6 | 66.8 | 9.5 | 26 | 5 | 12 | 4 | 20 | 21.5 | 18 | 60 | 6 × 9.5 × 8.5 |
| HSR 25C | 36 | 70 | 83.1 | 57 | 45 | M8 | 59.5 | 11 | 30.5 | 6 | 12 | 5.5 | 23 | 23.5 | 22 | 60 | 7 × 11 × 9 |
| HSR 25LC | 36 | 70 | 102.2 | 57 | 45 | M8 | 78.6 | 11 | 30.5 | 6 | 12 | 5.5 | 23 | 23.5 | 22 | 60 | 7 × 11 × 9 |
| HSR 30C | 42 | 90 | 98 | 72 | 52 | M10 | 70.4 | 9 | 35 | 7 | 12 | 7 | 28 | 31 | 26 | 80 | 9 × 14 × 12 |
| HSR 30LC | 42 | 90 | 120.6 | 72 | 52 | M10 | 93 | 9 | 35 | 7 | 12 | 7 | 28 | 31 | 26 | 80 | 9 × 14 × 12 |
| HSR 35C | 48 | 100 | 109.4 | 82 | 62 | M10 | 80.4 | 12 | 40.5 | 8 | 12 | 7.5 | 34 | 33 | 29 | 80 | 9 × 14 × 12 |
| HSR 35LC | 48 | 100 | 134.8 | 82 | 62 | M10 | 105.8 | 12 | 40.5 | 8 | 12 | 7.5 | 34 | 33 | 29 | 80 | 9 × 14 × 12 |
Configuration example of nominal model number
Configuration example of nominal model number
*) This nominal model number is 1 set for a 1-axis unit. (The required number for 2-axis parallel use is at least 2 sets.)
If the lubricator QZ is attached, the grease fitting is not attached.
Basic specifications and features of the product
Structure and features
The balls roll on the 4 rows of rolling surfaces that have been precision ground on the LM rail and LM block, and the end plates incorporated in the LM block circulate the ball rows.
Even if the LM rail is pulled out, balls are held at the holding plate and will not fall off (except for HSR 8, 10 and 12 types).
Since each ball row is arranged at a contact angle of 45° so that the load is the same for the 4 directions (radial direction, reverse radial direction, lateral direction) acting on the LM block, it can be used in any posture. Moreover, since a well-balanced preload is applied, it is possible to increase the stiffness in 4 directions while maintaining a constant low coefficient of friction. It has a low cross-section height, and the LM block has been designed with a high stiffness, which allows for highly precise and consistent linear motion.
4 directions equal load
Since each ball row is arranged at a contact angle of 45° so that the same rated load is applied to the 4 directions (radial direction, reverse radial direction, lateral direction) acting on the LM block, it can be used in any posture and it can be used for a wide range of purposes.
High stiffness type
Since it is a well-balanced 4-row array, sufficient preload is given, and the stiffness in 4 directions can be increased without difficulty.
Automatic adjustment ability
Due to the effect of the automatic adjustment ability by THK's unique front combination of circular arc grooves (DF set), mounting errors can be absorbed even if preload is applied, and high-precision and smooth linear motion can be obtained.
Superior durability
There is no differential slip of the ball even with preload or eccentric load, smooth operation is obtained, and it has excellent abrasion resistance, so accuracy is maintained for a long period of time.
Also available in stainless steel
LM block, LM rail, and LM rail are all compatible with stainless steel.
External appearance of LM guide
Drawing of LM guide
How to use and use cases
Installation procedure and maintenance
Installation of LM guide
Reference Side LM Guide Display and Combination
Fig. 1 Reference side and driven side LM guides (Example: HSR-B type)
[Display of Reference Side LM Guide]
All LM rails installed on the same plane have the same serial number printed on them. Of these, the LM rail marked "KB" at the end of the serial number is the reference side, and the LM block has a reference surface finished to the specified accuracy, so it is used as the positioning side of the table. (Refer to Fig. 1)
Since "KB" is not displayed only in the case of average accuracy, any LM rail with the same number can be used as the reference side.
Fig. 2 Reference plane display
[Display of Reference Plane]
As shown in Fig. 2, the reference plane of the LM guide is displayed on the opposite side of the THK mark for the LM block and on the line drawing mark side of the LM rail. Please specify if you absolutely want to reverse the positional relationship between the reference surfaces of the LM rail and the LM block, or if you need to reverse the direction of the grease fitting.
Fig. 3. Display of combination of LM rails and LM blocks (Example: HSR-A type)
[Display of Combination of LM Rails and LM Blocks]
The serial numbers displayed on the LM rails and LM blocks used in combination are the same numbers. If you need to separate the LM block from the LM rail, make sure the same numbers are in the same orientation and then reassemble. (Fig. 3)
Fig. 4 Use of Joints
[Use of Joints]
When a long LM rail is ordered, 2 or more rails will be jointed together to the desired length. In this case, make sure that the joint match marks shown in Fig. 4 are correctly positioned to joint rails.
Also, when joining LM rails in parallel use of 2 axes, the 2 sets combined in parallel are manufactured so that they are axisymmetric (mirror-image type) combinations.
If a large load is applied near the joint of the LM rail, the LM rail may shift and a step may occur. Therefore, it is recommended to press the LM rail against the abutting surface with an adjustment screw, etc., at the joint, shorten the L dimension, and fix it securely. (Fig. 4) Contact THK for details.
Installation Procedure
Installation example when vibration impact acts on the machine, and stiffness and high accuracy are required
Installation of LM rails
- 1. Be sure to remove burrs, dents, dust, etc., on the mating machine mounting surface of the LM guide before assembling. (Fig. 6)
*) Since rust preventive oil is applied to the LM guide, wipe the reference surface with cleaning oil before use. Since the reference surface from which the rust preventive oil has been removed is prone to rust, it is recommended to apply spindle oil with low viscosity. - 2. Gently place the LM rail on the base and temporarily tighten the bolts so that the LM rail is lightly in contact with the mounting surface. (The line drawing mark side of the LM rail is abutted against the horizontal reference surface of the base.) (Fig. 7)
*) Use clean mounting bolts to fix the LM guide. Also, when inserting bolts into the mounting holes of the LM rail, check that the screw holes are not misaligned. (Fig. 8) Forcibly tightening the bolts with the holes misaligned may cause a decrease in accuracy. - 3. Tighten the LM rail adjustment screw in order with a clamping force that is in close contact with the horizontal mounting surface. (Fig. 9)
- 4. Tighten the mounting bolts with the specified torque using a torque wrench. (Fig. 10)
*) Stable accuracy can be obtained by tightening the LM rail mounting bolts in order from the center position toward the shaft end. - 5. Install the remaining LM rails in the same way to complete the installation of the LM rails.
- 6. Hammer in the cap into the bolt hole on the top of the LM rail so that it is on the same side.
Fig. 5 When vibration impact acts on the machine
Fig. 6 Checking the mounting surface
Fig. 7 Abutting of the reference plane
Fig. 8 Checking the play of bolts
Fig. 9 Tightening the adjustment screw
Fig. 10 Final tightening of mounting bolts
Fig. 11 LM block tightening procedure
Installation of LM block
- 1. Gently place the table on the LM block and temporarily tighten the mounting bolts.
- 2. Position the table by pressing the reference side LM block against the table side reference surface with an adjustment screw. (See B1-91 Fig. 5)
- 3. Finally tighten the mounting bolts on the reference side and driven side to complete the assembly.
*) Tightening the mounting bolts diagonally as shown in Fig. 11 will equalize the fixing of the table. This method does not take time to straighten the LM rail, and it does not require the dowel processing for fixing, so the assembly labor-hours are greatly reduced.
Installation of reference side LM rail
After temporarily tightening the mounting bolts, firmly press the mounting bolts against the horizontal reference with a compact vise, etc., and finally tighten the mounting bolts. Repeat this in order for each mounting bolt pitch. (Fig. 13)
Fig. 12 When the reference side LM rail does not have an adjustment screw
Fig. 13
Installation of driven side LM rail
The following method is recommended when mounting the driven side LM rail in parallel with the correctly mounted reference side LM rail.
Fig. 14
Straight edge method
After setting the straight edges lined up between the 2 axes parallel to the horizontal reference surface of the reference side LM rail with a dial gauge, while straightening the driven shaft with a dial gauge using the straight edge as a reference from the shaft end, fix the mounting bolts in sequence.
Fig. 15
Method by using parallelism of the table
Fix the 2 LM blocks on the reference side to the table (or temporary table for measurement), and temporarily tighten both the LM rail and LM block (1 pc.) on the driven side to the base and table. Place the dial gauge on the side of the LM block on the driven side from the dial stand fixed on the top of the table, move the table from the shaft end, and fix the bolts in sequence while aligning the LM rail on the driven side.
Fig. 16
How to follow the reference side LM rail
Place the table on the LM blocks of the properly mounted reference side LM rail and the temporarily tightened driven side LM rail, and finally tighten 1 of the 2 reference side LM blocks and the 2 driven side LM blocks with bolts. While temporarily tightening the remaining driven side LM blocks, finally tighten the mounting bolts of the driven side LM rails in sequence.
Fig. 17
Jig method
Using a jig as shown in Fig. 17, finally tighten the mounting bolts in order from one end for each mounting pitch while setting the parallelism of the driven side reference plane to the side reference plane on the reference side.
Installation example when the reference side LM rail does not have a side contact surface
Installation of reference side LM rail
Fig. 18
Fig. 19
How to use a temporary reference plane
There is a method to straighten the LM rail from the shaft end using the reference surface provided near the LM rail mounting part of the base, but in this case, 2 LM blocks must be joined together and attached to a measurement plate as shown in Fig. 19.
Fig. 20
Straight edge method
After temporarily tightening the mounting bolts, finally tighten the mounting bolts while straightening the side reference surface of the LM rail from the shaft end with a dial gauge using the straight edge as a reference as shown in Fig. 20.
HR type assembly procedure
The following procedure is recommended for installing the HR type.
- 1. Apply oil stones to the LM rail mounting surface of the base to remove burrs, knots, etc. (Fig. 21)
- 2. Using a compact vise or the like on the mounting surface of the base, press it so that it is in close contact with the reference surface, and tighten the mounting bolts with the recommended torque (see B1-101). (Fig. 22)
a. Check if any of the bolts has a sinking.
b. Tighten the bolts in order from the center to both ends using a torque wrench. - 3. Set the LM block on the table and install it on the LM rail. At this time, temporarily tighten the mounting bolts of the LM block.
- 4. Tighten the clearance adjustment screws alternately to adjust the clearance. If sufficient preload is applied to obtain high stiffness, it is controlled by the tightening torque or rolling resistance value.
a. It is good to have 3 clearance adjustment screws for each LM block as shown in Fig. 23.
b. Good results can be obtained by setting the tightening torque of the 3 clearance adjustment screws to about 90%, which is slightly weaker than the center screw. - 5. While moving the table, gradually tighten the 2 LM block mounting bolts that were temporarily tightened alternately to fix the LM block. (Fig. 24)
Fig. 21
Fig. 22
Fig. 23
Fig. 24
Clearance adjustment example
Design the clearance adjustment screw to push the center of the side of the LM block.
Normally, an adjustment screw is used to press the LM block.
If you need high precision and high stiffness, use tapered gibs 1 and 2.
A type that adjusts the clearance with an eccentric pin is also manufactured.
GSR Type Assembly Procedure
The procedure for assembling the GSR type is shown below.
- 1. Place the table against the reference surface of the LM block and finally tighten it to fix it. There are abutting surfaces on both sides of the table. (Fig. 25)
- 2. Place the LM rail A on the base and align the rail with a straight edge. Use a torque wrench to finally tighten. (Fig. 26)
- 3. Temporarily fix the LM rail B to the base and insert the block. Temporarily tighten while pressing the LM rail B against the block side. (Fig. 27)
- 4. Stroke the table several times, and finally tighten the LM rail B with a torque wrench while letting the LM block fit. (Fig. 28) If the number of assembly is large, it is easy to install them while keeping the parallelism of the LM rail after manufacturing a jig as shown in Fig. 29.
Fig. 25
Fig. 26
Fig. 27
Fig. 29
JR Type Assembly Procedure
When using in parallel with the axes as shown in Fig. 30, after fixing 1 axis to the base, set the dial gauge on the upper surface of the LM block, and apply it to the side and upper surfaces of the LM rail for the remaining 1 axis to perform parallel and level adjustment at the same time, and install them.
When using with LM rail joint specifications, metal fittings as shown in Fig. 31 are available, so please specify that. (The rail is tapped for mounting the joint metal fittings.)
Mounting method
- 1. Temporarily tighten the rail presser bolts.
- 2. Fix rail A and joint fittings with bolts C and D.
- 3. Apply a dial gauge to the side surface G of the joint of rails A and B, and adjust the left and right steps with the bolt E and set screw F on the rail B side. When the bolt E is tightened, the rail B moves to the b side. when the set screw F is tightened, the rail B moves to the a side.
- 4. After adjusting with the set screw F, fix the set screw F with the nut.
- 5. Adjust and fix the vertical direction with the rail presser.
When welding rails, it is ideal for fix the welding location with a compact vise as shown in Fig. 32 above. The following welding conditions are recommended for welding. (Be careful not to spatter the rolling surface of the LM rail during welding.)
[Welding Conditions]
Preheating temperature: 200°C
Postheating temperature: 350°C
*) There is a risk of re-hardening if the temperature exceeds 750°C.
[For Shielded Metal Arc Welding]
Welding rod: LB52 Kobe Steel, Ltd.
[For Carbon Dioxide Arc Welding]
Wire: YGW12
Current: 200 A
![[HCR Type Assembly Procedure]](http://in.misumi-ec.com/linked/vitem/mech/THK1/221000401763/img/thk1_common_oc_w35.jpg)
To install the LM rail of the R guide, it is recommended that you provide a butt (or a pin, etc.,) on the reference surface side (inside) of the LM rail, and press the LM rail against the butt surface and hold it with a board from the counter-reference surface side.
Accuracy measurement method after mounting
Fig. 35 Accuracy measurement method after mounting
When measuring the running accuracy of 1 axis
When measuring the running accuracy of the LM block, stable accuracy can be obtained by using 2 LM blocks and fixing them to the inspection plate as shown in Fig. 35. Also, when using a dial gauge, it is better to place the straight edge as close as possible to the LM block for accurate measurement.
Installation of LM guide
Installation of LM guide
For the high-precision LM rails of the LM guide, the rolling surface is finished by grinding and accuracy is inspected with the rails tightened with bolts. When mounting on the machine main body, the screw tightening torque values shown in tables 1 and 2 are recommended.
Cautions/prohibitions
Cautions/prohibitions
Cautions/prohibitions
[Handling]
- 1. When transporting heavy products (20 kg or more), use 2 or more people or transport equipment. It may cause injury or damage.
- 2. Do not disassemble each part. It may cause loss of function.
- 3. Please note that if you tilt the LM block and LM rail, it may fall under its own weight.
- 4. Do not drop or hit the LM guide. It may cause injury or damage. Also, if it is impacted, it may lose its function even if it does not look damaged on its external appearance.
- 5. When assembling, do not pull out the LM block from the LM rail.
- 6. Please note that if you get your hands in the mounting holes of the LM rail, you may get injured by pinching your hands with the LM block.
- 7. When handling the product, wear protective gloves, safety shoes, etc., as necessary to ensure safety.
[Precautions for Use]
- 1. Be careful not to let contaminants such as chips and coolant flow in. It will cause damage.
- 2. If the product is used in an environment where chips, coolant, corrosive solvent, water, etc., may flow into the product, use bellows or a cover to avoid the inflow into the product.
- 3. Avoid using above 80°C. Except for heat-resistant specifications, if this temperature is exceeded, resin and rubber parts may be deformed or damaged.
- 4. If contaminants such as chips adhere, clean it and then refill the lubricant.
- 5. In the case of a fine stroke, it is difficult for an oil film to form on the contact surface between the rolling surface and the rolling element, which may cause fretting, so use grease with excellent fretting resistance. It is also recommended to form an oil film on the rolling surface and rolling element by periodically applying a stroke movement of about the length of the LM block.
- 6. Do not force the positioning parts (pins, keys, etc.,) into the product. Indentations may occur on the rolling surface, causing loss of function.
- 7. If it is unavoidable to insert or remove the LM block from the LM rail, use the insertion/removal jig. (The insertion/removal jig is not included as standard, so please contact THK when using it.)
- 8. When using the insertion/removal jig, make sure that the flange of the LM rail and the flange of the jig are in close contact with each other, and insert the jig with the LM rail and the jig in parallel.
- 9. If the LM block is inserted while tilted, contaminants may flow in, internal parts may be damaged, and the rolling elements may fall.
- 10. If the LM block is inserted into the LM rail and used with the rolling element removed, it may cause premature damage.
- 11. If the rolling element falls off the LM block, do not use it as it is and contact THK.
- 12. If the end plate is damaged due to an accident, the ball may fall off and the LM block may come off the LM rail and fall. If the LM guide is used while hanging upside down, take measures such as adding a fall prevention safety mechanism.
- 13. Insufficient stiffness and accuracy of the mounting parts will cause the bearing load to be locally concentrated and significantly reduce bearing performance. Therefore, carefully consider the stiffness and accuracy of the housing and base, and the strength of the fixing bolts.
- 14. If you want to remove the LM block from the LM rail and then reassemble it, contact THK for an LM block extraction/insertion jig to facilitate assembly.
[Lubrication]
- 1. Wipe off the rust preventive oil well and fill it with lubricant before use.
- 2. Avoid using a mixture of different lubricants. Even if the greases have the same type of thickener, they may adversely affect each other due to different additives, etc.
- 3. When using in a special environment such as a place where vibration always acts, a cleanroom, vacuum, low temperature / high temperature, please use grease suitable for the specifications/environment.
- 4. When lubricating a product that does not have a grease fitting or lubrication hole, apply the lubricant directly to the rolling surface and perform a break-in stroke several times to allow grease to enter inside.
- 5. The cone penetration of grease changes depending on the temperature. Please note that the sliding resistance of the LM guide will change as the cone penetration changes.
- 6. After lubrication, the sliding resistance of the LM guide may increase due to the stirring resistance of the grease. Be sure to run-in and let the grease spread sufficiently before operating the machine.
- 7. Immediately after lubrication, excess grease may scatter around, so wipe it off if necessary.
- 8. Grease deteriorates in properties over time and its lubrication performance deteriorates, so it is necessary to check and replenish the grease according to the frequency of use.
- 9. The greasing interval varies depending on the usage conditions and the operating environment, but please refuel with a mileage of 100 km (3 to 6 months) as a guide. Please set the final greasing interval and amount on the actual machine.
- 10. It may be difficult for the lubricant to reach the rolling surface unless the mounting posture is horizontal. Please refer to B1-28 for mounting posture and B24-2 for lubrication.
- 11. When using with lubricant oil, the lubricant oil may not be distributed depending on the mounting posture of the LM block, so please contact THK in advance.
[Storage]
Store the LM guide in manufacturer's packaging and packing, with avoiding high temperatures, low temperatures, and high humidity, and storing it in a horizontal position. For products that have been stored for a long period of time, the internal lubricant may have deteriorated over time, so re-lubricate the product before use.
[Waste]
Please dispose of the product appropriately as industrial waste.
Cautions/prohibitions
[Order Unit]
Please note that the counting method of 1 set differs depending on the type of LM guide. Please check the nominal model number configuration example and notes.
SHS25C2SSC1 + 640 L 1 set, SHS25C2SSC1 + 640 L-II 2 sets
HR2555UU + 600 L 1 set
GSR25T2UU + 1060 L 2 sets
4SCR25UU + 1200/1000LP 1 set
HMG15A2UUC1 + 1000LT + 60/150R6T + 60/300R6T-II 2 sets
*) When ordering the HMG type, please attach a reference drawing showing the arrangement of the LM block and LM rail.
[Mounting Posture and Lubrication Method]
When ordering, be sure to inform THK of the mounting position of the LM guide and the position of the grease fitting / piping joint to be mounted on each LM block.
Please refer to A1-12 for mounting posture and A24-2 for lubrication.
[About the Support Status of Options]
Depending on the nominal model number, the support status of options will differ, so please check before ordering.
[Maximum Production Length of LM Rail]
Please contact THK as the maximum manufacturing length of LM rails may be limited if the accuracy class is high.
Product comparison information
Selection support information
Selection support information
Types of LM guides
LM guides are standardized in a wide variety of formats and dimensions so that you can select the ideal product for every application. It is a unit structure that can obtain high running accuracy without gaps by simply attaching it to a flat surface with bolts, and has many achievements and know-how in a wide range of applications.
Selection of choice
| Part Number |
|---|
| HSR15C[1,2,3,4]+[73-2920/1]L |
| HSR15C[1,2,3,4][SS,UU]+[73-2920/1]L |
| HSR15LC[1,2,3,4]+[73-2920/1]L |
| HSR15LC[1,2,3,4]UU+[73-2920/1]L |
| HSR15R[1,2,3,4]+[73-2920/1]L |
| HSR15R[1,2,3,4][SS,UU]+[73-2920/1]L |
| HSR20C[1,2,3,4]+[87-2920/1]L |
| HSR20C[1,2,3,4][SS,UU]+[87-2920/1]L |
| HSR20LC[1,2,3,4]+[87-2920/1]L |
| HSR20LC[1,2,3,4][SS,UU]+[87-2920/1]L |
| HSR20LR[1,2,3,4]+[103-2920/1]L |
| HSR20LR[1,2,3,4][SS,UU]+[103-2920/1]L |
| HSR20R[1,2,3,4]+[87-2920/1]L |
| HSR20R[1,2,3,4][SS,UU]+[87-2920/1]L |
| HSR25C[1,2,3,4]+[97-2920/1]L |
| HSR25C[1,2,3,4][SS,UU]+[97-2920/1]L |
| HSR25LR[1,2,3,4]+[116-2920/1]L |
| HSR25LR[1,2,3,4][SS,UU]+[116-2920/1]L |
| HSR25R[1,2,3,4]+[97-2920/1]L |
| HSR25R[1,2,3,4][SS,UU]+[97-2920/1]L |
| HSR30C[1,2,3,4]+[111-2920/1]L |
| HSR30C[1,2,3,4][SS,UU]+[111-2920/1]L |
| HSR30LC[1,2,3,4]+[111-2920/1]L |
| HSR30LC[1,2,3,4][SS,UU]+[111-2920/1]L |
| HSR30LR[1,2,3,4]+[134-2920/1]L |
| HSR30LR[1,2,3,4][SS,UU]+[134-2920/1]L |
| HSR30R[1,2,3,4]+[111-2920/1]L |
| HSR30R[1,2,3,4][SS,UU]+[111-2920/1]L |
| HSR35C[1,2,3,4]+[123-2920/1]L |
| HSR35C[1,2,3,4][SS,UU]+[123-2920/1]L |
| HSR35LC[1,2,3,4]+[123-2920/1]L |
| HSR35LC[1,2,3,4][SS,UU]+[123-2920/1]L |
| HSR35LR[1,2,3,4]+[148-2920/1]L |
| HSR35LR[1,2,3,4][SS,UU]+[148-2920/1]L |
| HSR35R[1,2,3,4]+[123-2920/1]L |
| HSR35R[1,2,3,4][SS,UU]+[123-2920/1]L |
| Part Number | Price | Minimum Order Qty. | Volume Discount | Days to Ship | Rail Length L (mm) | Block Type | Rail Width W1 (mm) | Mounting Height M (mm) | Nominal Part Number | No. of Blocks Used On The Same Rail | Basic Load Rating Dynamic Rating C (N) | Basic Load Rating Static Rating Co (N) | Allowable Static Moment MA (N⋅m) | Allowable Static Moment MB (N⋅m) | Allowable Static Moment MC (N⋅m) | Block Mounting Hole Pitch (Width Direction) (mm) | Block Mounting Hole Pitch (Length Direction) (mm) | Block Mounting Hole Diameter | Rail Mounting Hole Pitch (mm) | Rail Mounting Hole Diameter | Block External Dimension W (mm) | Block External Dimension L (mm) | Mounting hole for blocks | Mounting Hole Dimension S (M) | Mounting Hole Screw Depth (mm) | Block Dimension L1 (mm) | Symbols for Dust Resistance | LM Rail Material |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | 7 Day(s) or more | 73 ～ 2920 | Wide | 15 | - | 15 | 1 ～ 4 | 10900 | 15700 | 94.5 | 94.5 | 99.8 | 38 | 30 | 4.5 | 60 | 4.5 | 47 | 56.6 | Tapped hole | - | - | 38.8 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 73 ～ 2920 | Wide | 15 | - | 15 | 1 ～ 4 | 10900 | 15700 | 94.5 | 94.5 | 99.8 | 38 | 30 | 4.5 | 60 | 4.5 | 47 | 56.6 | Tapped hole | - | - | 38.8 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 73 ～ 2920 | Wide | 15 | - | 15 | 1 ～ 4 | 14200 | 22900 | 194 | 194 | 145 | 38 | 30 | 4.5 | 60 | 4.5 | 47 | 74.6 | Tapped hole | - | - | 56.8 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 73 ～ 2920 | Wide | 15 | - | 15 | 1 ～ 4 | 14200 | 22900 | 194 | 194 | 145 | 38 | 30 | 4.5 | 60 | 4.5 | 47 | 74.6 | Tapped hole | - | - | 56.8 | End Seal | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 73 ～ 2920 | Standard | 15 | 28 | 15 | 1 ～ 4 | 10900 | 15700 | 94.5 | 94.5 | 99.8 | 26 | 26 | 4 | 60 | 4.5 | 34 | 56.6 | Tapped Holes | M4 | 5 | 38.8 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 73 ～ 2920 | Standard | 15 | 28 | 15 | 1 ～ 4 | 10900 | 15700 | 94.5 | 94.5 | 99.8 | 26 | 26 | 4 | 60 | 4.5 | 34 | 56.6 | Tapped Holes | M4 | 5 | 38.8 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 87 ～ 2920 | Wide | 20 | - | 20 | 1 ～ 4 | 19800 | 27400 | 218 | 218 | 235 | 53 | 40 | 6 | 60 | 4.5 | 63 | 74 | Tapped hole | - | - | 50.8 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 87 ～ 2920 | Wide | 20 | - | 20 | 1 ～ 4 | 19800 | 27400 | 218 | 218 | 235 | 53 | 40 | 6 | 60 | 4.5 | 63 | 74 | Tapped hole | - | - | 50.8 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 87 ～ 2920 | Wide | 20 | - | 20 | 1 ～ 4 | 23900 | 35800 | 363 | 363 | 307 | 53 | 40 | 6 | 60 | 4.5 | 63 | 90 | Tapped hole | - | - | 66.8 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 87 ～ 2920 | Wide | 20 | - | 20 | 1 ～ 4 | 23900 | 35800 | 363 | 363 | 307 | 53 | 40 | 6 | 60 | 4.5 | 63 | 90 | Tapped hole | - | - | 66.8 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 103 ～ 2920 | Standard | 20 | 30 | 20 | 1 ～ 4 | 23900 | 35800 | 363 | 363 | 307 | 32 | 50 | 5 | 60 | 4.5 | 44 | 90 | Tapped Holes | M5 | 6 | 66.8 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 103 ～ 2920 | Standard | 20 | 30 | 20 | 1 ～ 4 | 23900 | 35800 | 363 | 363 | 307 | 32 | 50 | 5 | 60 | 4.5 | 44 | 90 | Tapped Holes | M5 | 6 | 66.8 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 87 ～ 2920 | Standard | 20 | 30 | 20 | 1 ～ 4 | 19800 | 27400 | 218 | 218 | 235 | 32 | 36 | 5 | 60 | 4.5 | 44 | 74 | Tapped Holes | M5 | 6 | 50.8 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 87 ～ 2920 | Standard | 20 | 30 | 20 | 1 ～ 4 | 19800 | 27400 | 218 | 218 | 235 | 32 | 36 | 5 | 60 | 4.5 | 44 | 74 | Tapped Holes | M5 | 6 | 50.8 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 97 ～ 2920 | Wide | - | - | 25 | 1 ～ 4 | 27600 | 36400 | 324 | 324 | 366 | 57 | 45 | 8 | 60 | 7 | 70 | 83.1 | Tapped hole | - | - | 59.5 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 97 ～ 2920 | Wide | - | - | 25 | 1 ～ 4 | 27600 | 36400 | 324 | 324 | 366 | 57 | 45 | 8 | 60 | 7 | 70 | 83.1 | Tapped hole | - | - | 59.5 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 116 ～ 2920 | Standard | 23 | 40 | 25 | 1 ～ 4 | 35200 | 51600 | 627 | 627 | 518 | 35 | 50 | 8 | 60 | 7 | 48 | 102.2 | Tapped Holes | M6 | 8 | 78.6 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 116 ～ 2920 | Standard | 23 | 40 | 25 | 1 ～ 4 | 35200 | 51600 | 627 | 627 | 518 | 35 | 50 | 8 | 60 | 7 | 48 | 102.2 | Tapped Holes | M6 | 8 | 78.6 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 97 ～ 2920 | Standard | 23 | 40 | 25 | 1 ～ 4 | 27600 | 36400 | 334 | 324 | 366 | 35 | 35 | 8 | 60 | 7 | 48 | 83.1 | Tapped Holes | M6 | 8 | 59.5 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 97 ～ 2920 | Standard | 23 | 40 | 25 | 1 ～ 4 | 27600 | 36400 | 334 | 324 | 366 | 35 | 35 | 8 | 60 | 7 | 48 | 83.1 | Tapped Holes | M6 | 8 | 59.5 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 111 ～ 2920 | Wide | - | - | 30 | 1 ～ 4 | 40500 | 53700 | 599 | 599 | 652 | 72 | 52 | 10 | 80 | 9 | 90 | 98 | Tapped hole | - | - | 70.4 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 111 ～ 2920 | Wide | - | - | 30 | 1 ～ 4 | 40500 | 53700 | 599 | 599 | 652 | 72 | 52 | 10 | 80 | 9 | 90 | 98 | Tapped hole | - | - | 70.4 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 111 ～ 2920 | Wide | - | - | 30 | 1 ～ 4 | 48900 | 70200 | 995 | 995 | 852 | 72 | 52 | 10 | 80 | 9 | 90 | 120.6 | Tapped hole | - | - | 93 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 111 ～ 2920 | Wide | - | - | 30 | 1 ～ 4 | 48900 | 70200 | 995 | 995 | 852 | 72 | 52 | 10 | 80 | 9 | 90 | 120.6 | Tapped hole | - | - | 93 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 134 ～ 2920 | Standard | 28 | 45 | 30 | 1 ～ 4 | 48900 | 70200 | 995 | 995 | 852 | 40 | 60 | 8 | 80 | 9 | 60 | 120.6 | Tapped Holes | M8 | 10 | 93 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 134 ～ 2920 | Standard | 28 | 45 | 30 | 1 ～ 4 | 48900 | 70200 | 995 | 995 | 852 | 40 | 60 | 8 | 80 | 9 | 60 | 120.6 | Tapped Holes | M8 | 10 | 93 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 111 ～ 2920 | Standard | 28 | 45 | 30 | 1 ～ 4 | 40500 | 53700 | 599 | 599 | 652 | 40 | 40 | 8 | 80 | 9 | 60 | 98 | Tapped Holes | M8 | 10 | 70.4 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 111 ～ 2920 | Standard | 28 | 45 | 30 | 1 ～ 4 | 40500 | 53700 | 599 | 599 | 652 | 40 | 40 | 8 | 80 | 9 | 60 | 98 | Tapped Holes | M8 | 10 | 70.4 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 123 ～ 2920 | Wide | - | - | 35 | 1 ～ 4 | 53900 | 70200 | 895 | 895 | 1050 | 82 | 62 | 10 | 80 | 9 | 100 | 109.4 | Tapped hole | - | - | 80.4 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 123 ～ 2920 | Wide | - | - | 35 | 1 ～ 4 | 53900 | 70200 | 895 | 895 | 1050 | 82 | 62 | 10 | 80 | 9 | 100 | 109.4 | Tapped hole | - | - | 80.4 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 123 ～ 2920 | Wide | - | - | 35 | 1 ～ 4 | 65000 | 91700 | 1490 | 1490 | 1370 | 82 | 62 | 10 | 80 | 9 | 100 | 134.8 | Tapped hole | - | - | 105.8 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 123 ～ 2920 | Wide | - | - | 35 | 1 ～ 4 | 65000 | 91700 | 1490 | 1490 | 1370 | 82 | 62 | 10 | 80 | 9 | 100 | 134.8 | Tapped hole | - | - | 105.8 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 148 ～ 2920 | Standard | 34 | 55 | 35 | 1 ～ 4 | 65000 | 91700 | 1490 | 1490 | 1370 | 50 | 72 | 8 | 80 | 9 | 70 | 134.8 | Tapped Holes | M8 | 12 | 105.8 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 148 ～ 2920 | Standard | 34 | 55 | 35 | 1 ～ 4 | 65000 | 91700 | 1490 | 1490 | 1370 | 50 | 72 | 8 | 80 | 9 | 70 | 134.8 | Tapped Holes | M8 | 12 | 105.8 | End Seal / Seal (End + Side) | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 123 ～ 2920 | Standard | 34 | 55 | 35 | 1 ～ 4 | 53900 | 70200 | 895 | 895 | 1050 | 50 | 50 | 8 | 80 | 9 | 70 | 109.4 | Tapped Holes | M8 | 12 | 80.4 | Not Provided | Carbon Steel | ||
- | 1 Piece(s) | 7 Day(s) or more | 123 ～ 2920 | Standard | 34 | 55 | 35 | 1 ～ 4 | 53900 | 70200 | 895 | 895 | 1050 | 50 | 50 | 8 | 80 | 9 | 70 | 109.4 | Tapped Holes | M8 | 12 | 80.4 | End Seal / Seal (End + Side) | Carbon Steel |
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Basic Information
| Rail Type | Standard | Set / Single Item | Set | Radial Clearance | Normal |
|---|---|---|---|---|---|
| Accuracy Grade | Standard Grade | Material | Carbon Steel | Ball Arrangement | 4 Rows of Circular |
| Retainer | No | Rolling Element | Ball | Number of Block Mounting Holes(holes) | 4 |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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