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Part Number Complete

LMUR12L

Specification/Dimensions

type
- LMU
- LMU-N
- LMUF
- LMUF-N
- LMUM
- LMUMF
- LMUR
- SLMU
- SLMUS
Clear
Inscribed Circle Dia. dr(Ø)
3

4

5

6

8

10

12

13

16

20

25

30

35

40

50
Clear
Overall Length L(mm)
10

12

15

19

24

29

30

32

37

42

59

64

70

80

100
Clear
Outer Sleeve Material
- Steel
  - SUJ2 Equivalent
- SUS440C Equivalent
Clear
Outer Sleeve Surface Treatment
- No Surface Treatment
- Surface Treatment
  - Electroless Nickel Plating
  - Low Temperature Black Chrome Plating
Clear
Outer Dia. D(Ø)
7

8

10

12

15

19

21

23

28

32

40

45

52

60

80
Clear
Eccentricity(µm)
8

12

15

20
Clear
Ball Material
- SUJ2 Equivalent
- SUS440C Equivalent
Clear
Retainer Material
- Plastic (Duracon M90 Equivalent)
- Stainless Steel
Clear
Seal
- No Seal
- With Seal
Clear
Greased Filled
- G Type (Low Dust Generation)
- H Type (For Food, Drinking Water)
- L Type (Heat Resistant)
- Not Provided
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

1 Day(s) or Less

6 Day(s) or Less

10 Day(s) or Less

11 Day(s) or Less

12 Day(s) or Less

15 Day(s) or Less

17 Day(s) or Less

18 Day(s) or Less

22 Day(s) or Less
Clear

Specify Alterations

Linear Bushings - Single (LMUR12L)

Volume Discount

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Order Qty. :

Check Price / Days to ship
Price :

---
Total Price :

---
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Configured Specifications

Type	Straight	Inscribed Circle Dia. dr(Ø)	12
Overall Length L(mm)	30	Style	Standard
Outer Sleeve Material	[Steel] SUJ2 Equivalent	Outer Sleeve Surface Treatment	[Surface Treatment] Low Temperature Black Chrome Plating
Outer Dia. D(Ø)	21	Lubrication Type	Not Provided
Accuracy	High Grade	Ball Recirculating Type	Single
Motion	Linear	Types	Straight
Show More
Length	Single	Eccentricity(µm)	12
Basic Load Rating: Dynamic Load (Details)(N)	412	Basic Load Rating: Static Load(N)	598
Inscribed Circle Dia. Tolerance (Negative Side)(mm)	-0.009	Ball Material	SUS440C Equivalent
Retainer Material	Plastic (Duracon M90 Equivalent)	Seal	With Seal
Greased Filled	L Type (Heat Resistant)	RoHS	10
Show Less

(i)
Caution

Delivery times for some of our products may be delayed as national government authorities have imposed limit of capacity at our production sites.

Order Qty. :

Check Price / Days to ship
Price :

---
Total Price :

---
Days to ship :

---

Configured Specifications

Type	Straight	Inscribed Circle Dia. dr(Ø)	12
Overall Length L(mm)	30	Style	Standard
Outer Sleeve Material	[Steel] SUJ2 Equivalent	Outer Sleeve Surface Treatment	[Surface Treatment] Low Temperature Black Chrome Plating
Outer Dia. D(Ø)	21	Lubrication Type	Not Provided
Accuracy	High Grade	Ball Recirculating Type	Single
Motion	Linear	Types	Straight
Show More
Length	Single	Eccentricity(µm)	12
Basic Load Rating: Dynamic Load (Details)(N)	412	Basic Load Rating: Static Load(N)	598
Inscribed Circle Dia. Tolerance (Negative Side)(mm)	-0.009	Ball Material	SUS440C Equivalent
Retainer Material	Plastic (Duracon M90 Equivalent)	Seal	With Seal
Greased Filled	L Type (Heat Resistant)	RoHS	10
Show Less

Order Qty. :

Check Price / Days to ship
Price :

---
Total Price :

---
Days to ship :

---

Configured Specifications

Type	Straight	Inscribed Circle Dia. dr(Ø)	12
Overall Length L(mm)	30	Style	Standard
Outer Sleeve Material	[Steel] SUJ2 Equivalent	Outer Sleeve Surface Treatment	[Surface Treatment] Low Temperature Black Chrome Plating
Outer Dia. D(Ø)	21	Lubrication Type	Not Provided
Accuracy	High Grade	Ball Recirculating Type	Single
Motion	Linear	Types	Straight
Show More
Length	Single	Eccentricity(µm)	12
Basic Load Rating: Dynamic Load (Details)(N)	412	Basic Load Rating: Static Load(N)	598
Inscribed Circle Dia. Tolerance (Negative Side)(mm)	-0.009	Ball Material	SUS440C Equivalent
Retainer Material	Plastic (Duracon M90 Equivalent)	Seal	With Seal
Greased Filled	L Type (Heat Resistant)	RoHS	10
Show Less

Product Description

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Linear Bushings - Single
The linear bushing supports and guides a load, enabling smooth and accurate linear motion along a specified path. It provides a variety of sizes to choose from.
[Feature]
● Support Shaft Diameter Minimum/Maximum (mm.): 3 and 50
● Overall Length Minimum/Maximum (mm.): 10 and 100
● Shape : Straight
● Ball Recirculating Type : Single
● Material:
- Outer Cylinder - SUJ2 Equivalent or SUS440C Equivalent
- Ball - SUJ2 Equivalent or SUS440C Equivalent
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.

Volume Discount

Brand :

MISUMI

Order Qty. :

Check Price / Days to ship
Price :

---
Total Price :

---
Days to ship :

---

Configured Specifications

Type	Straight	Inscribed Circle Dia. dr(Ø)	12
Overall Length L(mm)	30	Style	Standard
Outer Sleeve Material	[Steel] SUJ2 Equivalent	Outer Sleeve Surface Treatment	[Surface Treatment] Low Temperature Black Chrome Plating
Outer Dia. D(Ø)	21	Lubrication Type	Not Provided
Accuracy	High Grade	Ball Recirculating Type	Single
Motion	Linear	Types	Straight
Show More
Length	Single	Eccentricity(µm)	12
Basic Load Rating: Dynamic Load (Details)(N)	412	Basic Load Rating: Static Load(N)	598
Inscribed Circle Dia. Tolerance (Negative Side)(mm)	-0.009	Ball Material	SUS440C Equivalent
Retainer Material	Plastic (Duracon M90 Equivalent)	Seal	With Seal
Greased Filled	L Type (Heat Resistant)	RoHS	10
Show Less

(i)
Caution

Delivery times for some of our products may be delayed as national government authorities have imposed limit of capacity at our production sites.

Order Qty. :

Check Price / Days to ship
Price :

---
Total Price :

---
Days to ship :

---

Configured Specifications

Type	Straight	Inscribed Circle Dia. dr(Ø)	12
Overall Length L(mm)	30	Style	Standard
Outer Sleeve Material	[Steel] SUJ2 Equivalent	Outer Sleeve Surface Treatment	[Surface Treatment] Low Temperature Black Chrome Plating
Outer Dia. D(Ø)	21	Lubrication Type	Not Provided
Accuracy	High Grade	Ball Recirculating Type	Single
Motion	Linear	Types	Straight
Show More
Length	Single	Eccentricity(µm)	12
Basic Load Rating: Dynamic Load (Details)(N)	412	Basic Load Rating: Static Load(N)	598
Inscribed Circle Dia. Tolerance (Negative Side)(mm)	-0.009	Ball Material	SUS440C Equivalent
Retainer Material	Plastic (Duracon M90 Equivalent)	Seal	With Seal
Greased Filled	L Type (Heat Resistant)	RoHS	10
Show Less

(With Seal)

Linear Bushing - Straight, Single: Related Image

Type	Outer Cylinder			Balls	Retainer	Operating Ambient Temperature	[A] Accessory
	[M] Material	[H] Hardness	[S] Surface Treatment	[M] Material	[M] Material
LMU	SUJ2 Equivalent	58HRC or more	—	SUJ2 Equivalent	Plastic (Duracon M90 Equivalent)	－20 to 80°C	Seal [M] Material Nitrile Rubber (－20 to 120°C)
LMU−N
LMUF					Stainless Steel (SUS)	－20 to 110°C
LMUF−N
LMUR			Low Temperature Black Chrome Plating	SUS440C Equivalent	Plastic (Duracon M90 Equivalent)	－20 to 80°C
LMUM			Electroless Nickel Plating
LMUM−N
LMUMF					Stainless Steel (SUS)	－20 to 110°C
SLMU	SUS440C Equivalent	56HRC or more	—		Plastic (Duracon M90 Equivalent)	－20 to 80°C
SLMUS					Stainless Steel (SUS)	－20 to 120°C

Specification Table

Part Number
LMU20 LMU−N20 LMUR20 LMUR20L LMUR20G LMUR20H	(No Seal) (Low Temperature Black Chrome Plating) (L Type Greased) (G Type Greased) (H Type Greased)

[ ! ] Alternative grease types available.

dr		D Tolerance			L		B		W	D₁	(r)	Eccentricity (Max.)	Balls Rows	Basic Load Rating		Mass (g)
	Tolerance		No Surface Treatment	Surface Treatment		Tolerance		Tolerance	W	D₁	(r)	Eccentricity (Max.)	Balls Rows	C (Dynamic) N	Co (Static) N	Mass (g)
3	0 －0.008	7	0 －0.009	0 －0.015	10	0 －0.12	—	—	—	—	0.3	0.008	4	69	105	1.4
4		8			12		—	—	—	—	0.3			88	127	2.0
5		10			15		8	0 －0.4	1.1	9.6	0.4			167	206	4.0
6	0 －0.009	12	0 －0.011	0 －0.018	19	0 －0.2	11.3			11.5		0.012		206	265	8.5
8		15	0 －0.011	0 －0.018	24		15.3			14.3				265	380	17
10		19	0 －0.013	0 －0.021	29		19.4		1.3	18				372	549	31
12		21			30		20.4			20	0.8			412	598	41
13		23			32		20.4			22				510	784	46
16		28			37		23.3		1.6	27				775	1180	73
20	0 －0.010	32	0 －0.016	0 －0.025	42		27.3		1.6	30.5		0.015	5	882	1370	98
25		40			59	0 －0.3	37.3	0 －0.5	1.85	38	1.5		6	980	1570	236
30		45			64		40.8		1.85	43				1570	2740	262
35	0 －0.012	52	0 －0.019	0 －0.030	70		45.3		2.1	49		0.020		1670	3140	425
40		60			80		56.3		2.1	57				2160	4020	654
50		80			100		68.8		2.6	76.5				3820	7940	1700

[!] Anti-rust oil is applied at the time of delivery. [!] Dr = 3 or 4 is not available for LMU-N, LMUF-N, and LMUM-N.
[!] No seal supplied for dr = 3 or 4. [!] No Seal Type has lower sliding resistance (0.4 to 1.2 N) and slides smoothly. Separate dust-proofing measures are necessary to keep the dust entering into sliding parts.
" ! " There are 2 engraving types for products without seals. Example: Part Number: For LMU−N10, it will be either LMU−N10 or LMU10−N.

Grease coating
By selecting the grease below, change to the product with grease coating is available.

Type	Product Name	Main Features
A Type	Alvania Grease S2 (by Showa Shell Sekiyu)	General-purpose grease suitable for various grease lubrication locations.
Y Type	AFF (Made by THK Co., Ltd.)	Grease with less particles, stable rolling resistance, and excellent fretting resistance.
G Type	LG2 (Made by NSK Ltd.)	Grease with less particles, excellent wear and rust resistance.
L Type	ET-100K (Made by KYODO YUSHI Co., Ltd.)	Superior heat resistance and oxidation stability. Also high adhesion and cohesion with limited splash or leakage.
H Type	FGL (Lubriplate)	Suitable for lubrication of equipment used in food, beverage and pharmaceutical industries. (NSF H-1 Reg. No. 043534)

[ ! ] Grease coating cannot be selected for the Type without seal.

Grease Performance Table (Reference Value)

Item	Conditions	Unit	Measurement Method	A Type	Y Type	G Type	L Type	H Type
Thickener	—	—	—	Lithium Type	Lithium Type	Lithium Type	Aromatic Diurea	Aluminum Complex Soap
Base Oil	—	—	—	Mineral Oil	Fine Synthetic Oil	Mineral Oil + Synthetic Hydrocarbon Oil	Ether Synthetic Oil	USP White Oil
Base Oil Kinematic Viscosity	40°C	mm2/s	JIS K2220 23	131	100	32	—	105 (ASTMD-445)
Base Oil Kinematic Viscosity	100°C	mm2/s	JIS K2220 23	12.2	—	5.4	—	11.5 (ASTMD-445)
Worked Penetration	—	—	JIS K2220 7	283	315	199	280	310 (ASTMD-217)
Dropping Point	—	°C	JIS K2220 8	181	220	201	260 <	238 (ASTMD-217)
Evaporation Amount	99°C × 22 hr	wt%	JIS K2220 10	0.2	0.7	1.4	—	0.27 (ASTMD−972)
Oil Separation	100°C × 24 hr	wt%	JIS K2220 11	2.4	2.6	0.8	1.2	2.1 (ASTMD−1742)
Operating Temp.	In Air	°C	—	-25 to 120	-40 to 120	−20 to 70	−40 to 200	−12 to 177

Technical Information

[Fitting of Shaft O.D. and Bushing I.D.]
Reference: Tolerance range of MISUMI linear bushings I.D.
and shaft O.D. tolerance.

Dimension (mm)	Linear Bushing - Single Type (LMU) I.D. Dimension Tolerance				Shaft (SFJ) O.D. Dimension Tolerance (g6)
0	φ3～5	φ6～16	φ20～30	φ35～50
－0.001
－0.002					φ3
－0.003
－0.004						φ4～6
－0.005							φ8～10
－0.006								φ12～18
－0.007									φ20～30
－0.008
－0.009										φ35～50
－0.010
－0.011
－0.012
－0.013
－0.014
－0.015
－0.016
－0.017
－0.018
－0.019
－0.020
－0.021
－0.022
－0.023
－0.024
－0.025

For MISUMI linear bushings, use in combination with
MISUMI shafts (hardened with g6 tolerance) is recommended.

[Fitting of Bushing O.D. and Housing I.D.]
Reference: Tolerance range of linear bushings O.D.
and housing diameter made by MISUMI

	Product		Customer's design
I.D. dr	Outer Dia. D		Housing Diameter
I.D. dr		Tolerance		ToleranceH7
3	7	0 －0.009	7	＋0.015 0
4	8		8
5	10		10
6	12	0 －0.011	12	＋0.018 0
8	15	0 －0.011	15	＋0.018 0
10	19	0 －0.013	19	＋0.021 0
12	21		21
13	23		23
16	28		28
20	32	0 －0.016	32	＋0.025 0
25	40		40
30	45		45
35	52	0 －0.019	52	＋0.030 0
40	60		60
50	80		80

For MISUMI Linear Bushings, mounting
Housing of H7 tolerance is recommended.
Bushing and Housing will be clearance fit.

Part Number

: 30; 45; 60

Part Number
LMUR12L

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Inscribed Circle Dia. dr (Ø)	Overall Length L (mm)	Outer Sleeve Material	Outer Sleeve Surface Treatment	Outer Dia. D (Ø)	Eccentricity (µm)	Basic Load Rating: Dynamic Load (Details) (N)	Basic Load Rating: Static Load (N)	Inscribed Circle Dia. Tolerance (Negative Side) (mm)	Ball Material	Retainer Material	Seal	Greased Filled
	₹ 2,579.98	1 Piece(s)	Available	10 Day(s) or more	10	12	30	[Steel] SUJ2 Equivalent	[Surface Treatment] Low Temperature Black Chrome Plating	21	12	412	598	-0.009	SUS440C Equivalent	Plastic (Duracon M90 Equivalent)	With Seal	L Type (Heat Resistant)

Part Number

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Inscribed Circle Dia. dr (Ø)	Overall Length L (mm)	Outer Sleeve Material	Outer Sleeve Surface Treatment	Outer Dia. D (Ø)	Eccentricity (µm)	Basic Load Rating: Dynamic Load (Details) (N)	Basic Load Rating: Static Load (N)	Inscribed Circle Dia. Tolerance (Negative Side) (mm)	Ball Material	Retainer Material	Seal	Greased Filled

App. Example

▲ Semiconductor conveyor tray locating mechanism

Download (PDF)

Catalog (2 page view)

Product TOP

Basic Information

Type	Straight	Style	Standard	Lubrication Type	Not Provided
Accuracy	High Grade	Ball Recirculating Type	Single	Motion	Linear
Types	Straight	Length	Single

Please check the type/dimensions/specifications of the part LMUR12L in the Linear Bushings - Single series.

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

Product variants

Part Number
LMU-N16
LMU-N20
LMU-N25
LMUR13
LMUR13G
LMUR13H

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Inscribed Circle Dia. dr (Ø)	Overall Length L (mm)	Outer Sleeve Material	Outer Sleeve Surface Treatment	Outer Dia. D (Ø)	Eccentricity (µm)	Basic Load Rating: Dynamic Load (Details) (N)	Basic Load Rating: Static Load (N)	Inscribed Circle Dia. Tolerance (Negative Side) (mm)	Ball Material	Retainer Material	Seal	Greased Filled
₹ 376.64	1 Piece(s)	Available	Same day Stock	10	16	37	[Steel] SUJ2 Equivalent	No Surface Treatment	28	12	775	1180	-0.009	SUJ2 Equivalent	Plastic (Duracon M90 Equivalent)	No Seal	Not Provided
₹ 554.59	1 Piece(s)	Available	Same day Stock	10	20	42	[Steel] SUJ2 Equivalent	No Surface Treatment	32	15	882	1370	-0.01	SUJ2 Equivalent	Plastic (Duracon M90 Equivalent)	No Seal	Not Provided
₹ 649.70	1 Piece(s)	Available	Same day Stock	10	25	59	[Steel] SUJ2 Equivalent	No Surface Treatment	40	15	980	1570	-0.01	SUJ2 Equivalent	Plastic (Duracon M90 Equivalent)	No Seal	Not Provided
₹ 932.18	1 Piece(s)	Available	6 Day(s) or more	10	13	32	[Steel] SUJ2 Equivalent	[Surface Treatment] Low Temperature Black Chrome Plating	23	12	510	784	-0.009	SUS440C Equivalent	Plastic (Duracon M90 Equivalent)	With Seal	Not Provided
₹ 2,627.06	1 Piece(s)	Available	11 Day(s) or more	10	13	32	[Steel] SUJ2 Equivalent	[Surface Treatment] Low Temperature Black Chrome Plating	23	12	510	784	-0.009	SUS440C Equivalent	Plastic (Duracon M90 Equivalent)	With Seal	G Type (Low Dust Generation)
₹ 2,627.06	1 Piece(s)	Available	11 Day(s) or more	10	13	32	[Steel] SUJ2 Equivalent	[Surface Treatment] Low Temperature Black Chrome Plating	23	12	510	784	-0.009	SUS440C Equivalent	Plastic (Duracon M90 Equivalent)	With Seal	H Type (For Food, Drinking Water)

Part Number

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Inscribed Circle Dia. dr (Ø)	Overall Length L (mm)	Outer Sleeve Material	Outer Sleeve Surface Treatment	Outer Dia. D (Ø)	Eccentricity (µm)	Basic Load Rating: Dynamic Load (Details) (N)	Basic Load Rating: Static Load (N)	Inscribed Circle Dia. Tolerance (Negative Side) (mm)	Ball Material	Retainer Material	Seal	Greased Filled

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Tel:+91-124-468-8800　(9:00AM - 5:30PM Monday to Saturday)
Mail:CS@misumi.co.in　(English Only)

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Mail:japandesk@misumi.co.in　(Japanese Language Only)

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Specification/Dimensions

type

Inscribed Circle Dia. dr(Ø)

Overall Length L(mm)

Outer Sleeve Material

Outer Sleeve Surface Treatment

Outer Dia. D(Ø)

Eccentricity(µm)

Ball Material

Retainer Material

Seal

Greased Filled

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Linear Bushings - Single (LMUR12L)

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