What brand is the linear bearing of FA?

The linear bearing of FA is MISUMI brand.

Is there a product stamp on the linear bearing?

There is no stamp on the product body, and the product model is on the packaging box.

How is linear bearing maintained regularly?

MISUMI recommends that linear bearing is regularly replenished with grease, and it is recommended to do so once every six months. When the moving distance is long, it is recommended to move once every three months or when the moving distance exceeds 1000km within the time limit, the 1000km shall prevail.

Comparison of antirust ability of linear bearings?

Antirust ability from strong to weak: No-Electro Nickel Plated → No Surface Treatment. Standard grade bearing steel is easy to rust, so it is necessary to apply anti-rust oil regularly.

What is the difference between the single liner type and the double liner type of linear bearing of FA?

Single liner type is one row of steel balls, and double liner type is two rows of steel balls. Generally, the length of the double liner type is more than twice that of the single liner type, and the contact area of steel balls is longer, the radial sway is smaller, and the rated load is larger.

When the linear bearing and the guide shaft are used together, some are closely matched, but some have relatively large clearance. Does it affect the use?

The linear bearing and the guide shaft are in point contact and rolling fit through the circulating steel ball structure. Because of point contact and non-interference fit, it is normal to have clearance between the shaft and the bearing, which will not affect the use. The use of this structure greatly reduces the friction resistance and prolongs the service life of the workpiece.

How to deal with oil leakage in the received linear bearing?

Linear bearing is coated with anti-rust oil (except for MX grease device) when leaving the factory, which has little influence on grease. It is recommended to clean it before use and apply grease after drying.

Can the linear bearing rotate?

The linear bearing is not suitable for rotating motion in structure. If it is forcibly rotated, it may cause damage to the product. If rotating motion is required, please give priority to linear type rotating bushings.

Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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Part Number Complete

E-LBK40UU

No. type Inscribed Circle Dia. dr Overall Length L Outer Cylinder Surface Treatment Outer Dia. D Ball Recirculating Type Length Eccentricity Holder Material Style of Mounting Hole CAD Days to Ship

Specification/Dimensions

No.
None
Clear
type
- C-LMK
- E-LBK
- E-LBKL
- E-LBKM
- E-LBKZ
Clear
Inscribed Circle Dia. dr(Ø)
6

8

10

12

13

16

20

25

30

35

40

50
Clear
Overall Length L(mm)
19

24

29

30

32

35

37

42

45

55

57

59

61

64

70

80

100

112

123

135

151

192
Clear
Outer Cylinder Surface Treatment
- No Surface Treatment
- Surface Treatment
  - Electroless Nickel Plating
Clear
Outer Dia. D(Ø)
12

15

19

21

23

28

32

40

45

52

60

80
Clear
Ball Recirculating Type
- Single
- Double
Clear
Length
- Single
- Double
Clear
Eccentricity(µm)
0.024

0.03

0.04

0.045

0.28

24

30

40
Clear
Holder Material
- Opposite couterbored
- Standard
Clear
Style of Mounting Hole
- Opposite Couterbored Hole
- Standard Counterbored Hole
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

15 Day(s) or Less
Clear

Specify Alterations

Square Flanged Linear Bushings, Single / Double / Opposite Counterbored Hole (E-LBK40UU)

Volume Discount

Check FAQ of this product (8 items)

Brand :

MiSUMi Economy

Order Qty :
Total Price :

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Days to ship :

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Product Description

Square Flanged Linear Bushings, Single / Double / Opposite Counterbored Hole
These Linear Bushings are an economy item, The price is cheaper than the MISUMI standard product.They offer a wide variety of sizes to choose from.
[Features]
● Support Shaft Diameter Minimum/Maximum (mm.): 6 and 50
● Overall Length Minimum/Maximum (mm.): 19 and 192
● Shape : Square Flanged
● Ball Recirculating Type : Single or Double
● Material:
- Housing - SUJ2 Equivalent
- Ball - SUJ2 Equivalent
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.

Economy Square Flanged Linear Bushing

SquareRobustSupport

- Reliable square flanged bushing for robust support.

- Single and double ball recirculating types for various uses.

- High-quality SUJ2 equivalent material for long-lasting use.

- Supports a range of shaft diameters with precise tolerances

- Suitable for packaging machines and conveyor systems.

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
3D CAD Support

Product Overview of Linear Bushings

The flanged Linear Bushings integrates the linear bearing with the support, which is compact in structure and easy to assemble to the mechanism accurately and simply.

Product Feature of Linear Bushings

Linear Bushings, Linear bearing is a linear type motion guiding mechanism matched with linear guide shaft. The steel ball rolls circularly along the track groove formed by the shell and the retainer, and the linear bearing reciprocates linearly relative to the guide shaft.
Through the rolling of steel ball, high-efficiency movement with low friction resistance can be realized.

Dimensional Drawing of Linear Bushings

This product of Linear Bushings is delivered at the initial stage, the color of the packing may be inconsistent with the photo, which shall be subject to the actual product.

The flange part of this product is not heat-treated, and there may be bumps and bruises.

Specifications Overview of Linear Bushings

Counterbored	Linear Bushings Type	Housing	Ball	Retainer	Operating environment temperature	Accessories
		Material	Hardness	Surface Treatment		Material	Material	Material
Opposite Counterbored	E-LBKZ	Equivalent to SUJ2	58HRC～	－	Equivalent to SUJ2	Resin	－20～80℃	Nitrile Rubber
Standard	C-LMK
	E-LBK
	E-LBKM			Electroless Nickel Plating

If there are requirements for rust prevention, give priority to products with surface treatment of electroless nickel plating or those with low temperature hard chromium plating.

Specification Table of Linear Bushings

		Part Number( Type・Inner Diameter・Length
		C-LMK8UU E-LBK8UU

■ Dimension Specification Table of Linear Bushings

Part No.				Outer Diameter. D					Overall Length L			H	T	d	d₁
Type	dr	Tolerance	Length (Ball Retainer)		Single No Surface treatment	Double No Surface treatment	Single With Surface treatment	Double With Surface treatment	Single UU	Double Luu	Torerance
E－LBKZ E－LBK E－LBKM	6	＋0.003 －0.012	UU (Single) LUU (Double)	12	0 －0.015	0 －0.016	0 －0.015	0 －0.015	19	35	±0.3	28	3.5	2.5	4.5
	8			15					24	45		32
	10			19		0 －0.018	0 －0.018	0 －0.018	29	55	±0.6	40	6	4.5	7.5
	12			21	0 －0.018				30	57		42
	13			23					32	61		43
	16			28					37	70		48
	20	＋0.003 －0.013		32	0 －0.021	0 －0.021	0 －0.021	0 －0.021	42	80		54	8	5.5	9
	25			40					59	112		62
	30			45					64	123		74	10	6.6	11
	35	＋0.003 －0.016		52	0 －0.028	0 －0.03	0 －0.025	0 －0.028	70	135		82
E－LBK E－LBKM	40			60					80	151		96	13	9	14
	50			80	0 －0.03	0 －0.032	0 －0.028	0 －0.03	100	192		116

Specification of "E-LBK" corresponds to the spec of "C-LMK". Difference between these 2 type is only Part No.

Part Number			Outer Diameter: D		Total Length: L		H	T	d	d1	t	P.C.D.	W	Lateral misalignment	Number of ball rows	Verticality	Weight (g)	Basic Rated Load
Type	dr	Tolerance		Tolerance		Tolerance												C (Dynamic) N	Co (Static) N
C-LMK_UU	6	+0.003 -0.012	12	0 -0.015	19	±0.6	28	5	3.5	6	3.1	20	22	0.024	4	0.024	18	206	265
	8		15		24		32					24	25				29	265	380
	10		19		29		40	6	4.5	7.5	4.1	29	30				52	372	549
	12		21	0 -0.018	30		42					32	32				57	412	598
	16		28		37		48					38	37		5		104	775	1180
	20	+0.003 -0.013	32	0 -0.021	42		54	8	5.5	9	5.1	43	42	0.03		0.03	145	882	1370
	25		40		59		62					51	50		6		300	980	1570
	30		45		64		74	10	6.6	11	6.1	60	58				375	1570	2740

Usage Method of Linear Bushings

Product Drawings of Linear Bushings	Instructions for use of Linear Bushings
	When the Linear Bushings is under heavy load (unbalanced load), one piece of single liner type is not applicable. It is recommended to use one piece of double liner type or multiple pieces of single liner type.
	Linear Bushings is not suitable for rotating motion in structure. If you rotate forcibly, it may cause damage to the product. Please pay attention during use.
	Linear Bushings, Linear bearing is not suitable for repeated plugging and unplugging.
	When inserting the guide shaft into the linear bearing, please align the center and insert it slowly, otherwise the steel ball will fall off or the retainer will be deformed.

Precautions of Linear Bushings

■ Regular maintenance:
① Before use, please apply grease to the ball row inside the Linear Bushings, linear bearing, and then replenish it in due course. Grease forms an oil film on the surfaces of steel ball and rolling surface (guide shaft·bushing) of linear bearing, which effectively reduces friction and prevents sintering. Grease reduction and aging will greatly affect the life of linear bearing.
② Recommended grease: lithium soap grease.
③ Recommended grease filling interval: Usually every 6 months.
④When the moving distance is long, it is recommended to move once every three months or when the moving distance exceeds 1000km within the time limit, the 1000km shall prevail.
⑤ When the linear bearing is subjected to large moment load (eccentric load), one piece of single liner type is not applicable, so it is recommended to use one piece of double liner type or multiple pieces of single liner type.

■ Dust prevention measures:
If dust or foreign matter enters the inside of the Linear Bushings, linear bearing, it may damage the circulation of steel balls, resulting in unexpected failures. When used in harsh environment, please install dust cover and protection cover, etc.

■ MISUMI linear bearing is recommended to be combined with guide shaft with quenching g6 tolerance.

■ MISUMI linear bearing is recommended to be installed on the holder with H7 tolerance. The linear bearing is in clearance fit with the holder.

Related Products of Linear Bushings

Guide shaft Straight bar type	(Economy series) Linear Bushings Standard type Single liner type	Shaft Collar Slit

Typical Linear Bushings model: SFJ20-75	Typical Linear Bushings model: C-LM8UU	Typical Linear Bushings model: SCS8-10

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 45; 60

Part Number
E-LBK40UU

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Inscribed Circle Dia. dr (Ø)	Overall Length L (mm)	Outer Cylinder Surface Treatment	Outer Dia. D (Ø)	Ball Recirculating Type	Length	Eccentricity (µm)	Basic Load Rating: Dynamic Load (Details) (N)	Basic Load Rating: Static Load (N)	Inscribed Circle Dia. Tolerance (Negative Side) (mm)	No.	Holder Material	Style of Mounting Hole
	₹ 3,288.00	1 Piece(s)	Available	Same day	10	40	80	No Surface Treatment	60	Single	Single	0.04	2160	4020	-0.028	-	Standard	Standard Counterbored Hole

Basic Information

Type	Flange	Flange Type	Standard Flange	Style	Standard
Outer Cylinder Material	SUJ2 Equivalent	Lubrication Type	Not Provided	Accuracy	Standard Grade
Motion	Linear	Types	Standard Flange	Flange Shape	Square Flange
Ball Material	SUJ2 Equivalent	Retainer Material	Plastic	Seal	Provided
Greased Filled	Not Provided

Please check the type/dimensions/specifications of the part E-LBK40UU in the Square Flanged Linear Bushings, Single / Double / Opposite Counterbored Hole series.

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently asked question (FAQ)

Question: What brand is the linear bearing of FA?: Answer: The linear bearing of FA is MISUMI brand.
Question: Is there a product stamp on the linear bearing?: Answer: There is no stamp on the product body, and the product model is on the packaging box.
Question: How is linear bearing maintained regularly?: Answer: MISUMI recommends that linear bearing is regularly replenished with grease, and it is recommended to do so once every six months. When the moving distance is long, it is recommended to move once every three months or when the moving distance exceeds 1000km within the time limit, the 1000km shall prevail.
Question: Comparison of antirust ability of linear bearings?: Answer: Antirust ability from strong to weak: No-Electro Nickel Plated → No Surface Treatment.
Standard grade bearing steel is easy to rust, so it is necessary to apply anti-rust oil regularly.
Question: What is the difference between the single liner type and the double liner type of linear bearing of FA?: Answer: Single liner type is one row of steel balls, and double liner type is two rows of steel balls. Generally, the length of the double liner type is more than twice that of the single liner type, and the contact area of steel balls is longer, the radial sway is smaller, and the rated load is larger.
Question: When the linear bearing and the guide shaft are used together, some are closely matched, but some have relatively large clearance. Does it affect the use?: Answer: The linear bearing and the guide shaft are in point contact and rolling fit through the circulating steel ball structure. Because of point contact and non-interference fit, it is normal to have clearance between the shaft and the bearing, which will not affect the use. The use of this structure greatly reduces the friction resistance and prolongs the service life of the workpiece.
Question: How to deal with oil leakage in the received linear bearing?: Answer: Linear bearing is coated with anti-rust oil (except for MX grease device) when leaving the factory, which has little influence on grease. It is recommended to clean it before use and apply grease after drying.
Question: Can the linear bearing rotate?: Answer: The linear bearing is not suitable for rotating motion in structure. If it is forcibly rotated, it may cause damage to the product. If rotating motion is required, please give priority to linear type rotating bushings.

Check other FAQ (5 items) Hide

Product variants

Part Number
C-LMK20UU
C-LMK25UU
C-LMK30UU
E-LBK50LUU
E-LBK50UU
E-LBK6LUU

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Inscribed Circle Dia. dr (Ø)	Overall Length L (mm)	Outer Cylinder Surface Treatment	Outer Dia. D (Ø)	Ball Recirculating Type	Length	Eccentricity (µm)	Basic Load Rating: Dynamic Load (Details) (N)	Basic Load Rating: Static Load (N)	Inscribed Circle Dia. Tolerance (Negative Side) (mm)	No.	Holder Material	Style of Mounting Hole
₹ 319.00	1 Piece(s)	Available	Same day Stock	10	20	42	No Surface Treatment	32	Single	Single	30	882	1370	-0.013	None	-	-
₹ 505.00	1 Piece(s)	Available	Same day Stock	10	25	59	No Surface Treatment	40	Single	Single	30	980	1570	-0.013	None	-	-
₹ 688.00	1 Piece(s)	Available	Same day Stock	10	30	64	No Surface Treatment	45	Single	Single	30	1570	2740	-0.013	None	-	-
₹ 4,478.00	1 Piece(s)	Available	Same day Stock	10	50	192	No Surface Treatment	80	Double	Double	0.045	6080	15900	-0.032	-	-	Standard Counterbored Hole
₹ 4,148.36	1 Piece(s)	Available	Same day Stock	10	50	100	No Surface Treatment	80	Single	Single	0.04	3820	7940	-0.03	-	Standard	Standard Counterbored Hole
₹ 511.00	1 Piece(s)	Available	Same day Stock	10	6	35	No Surface Treatment	12	Double	Double	0.28	324	529	-0.016	-	-	Standard Counterbored Hole

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type

Inscribed Circle Dia. dr(Ø)

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Ball Recirculating Type

Length

Eccentricity(µm)

Holder Material

Style of Mounting Hole

CAD

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Square Flanged Linear Bushings, Single / Double / Opposite Counterbored Hole (E-LBK40UU)

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Product Description

Economy Square Flanged Linear Bushing

Product Overview of Linear Bushings

Product Feature of Linear Bushings

Dimensional Drawing of Linear Bushings

Specifications Overview of Linear Bushings

Specification Table of Linear Bushings

Usage Method of Linear Bushings

Precautions of Linear Bushings

Related Products of Linear Bushings

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Basic Information

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