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Standard Linear Bushings (MISUMI)

Volume Discount is available

The most standard type in linear ball bushing products.

Available in METRIC
Rapid Design

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LMU-N8

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FIND OTHER LINEAR BUSHINGS

Linear Bushings - Single Type:Related Image

For Feature of Low Temperature Black Chrome Plating, see >> Click here

・Materials

Type		Outer Cylinder			Balls	Retainer	Ambient Operating Temp.	Accessories
Single	Double	Material	Hardness	Surface Finish	Material	Material
LMU-N	LMUW-N	52100 Bearing Steel Equivalent	58HRC~	-	52100 Bearing Steel Equivalent	Plastic (Duracon M90 Equivalent)	-20~80°C	*Seal Material Nitrile Rubber (-20~120°C)
LMU	LMUW
LMUF-N	LMUWF					Stainless Steel (Stainless Steel)	-20~110°C
LMUF
LMUR	LMUWR			Low Temperature Black Chrome Plating	440C Stainless Steel Equivalent	Plastic (Duracon M90 Equivalent)	-20~80°C
LMUM	LMUWM			Electroless Nickel Plating
LMUMF	LMUWMF					Stainless Steel (Stainless Steel)	-20~110°C
SLMU	SLMUW	440C Stainless Steel Equivalent	56HRC~	-		Plastic (Duracon M90 Equivalent)	-20~80°C
SLMUS	SLMUWS					Stainless Steel (Stainless Steel)	-20~120°C

Specifications

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.
Performance, see >> Click here

■Single

Part Number				D Tolerance		L		B		W	D₁	(r)	Eccentricity (Max.)	Rows of Balls	Basic Load Rating		Mass (g)
Type	dr	Tolerance		No Surface Treatment	Surface Treatment		Tolerance		Tolerance	W	D₁	(r)	Eccentricity (Max.)	Rows of Balls	C (Dynamic) N	Co (Static) N	Mass (g)
LMU-N (No Seal) LMU LMUF-N (No Seal) LMUF LMUR LMUM LMUMF SLMU SLMUS	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
LMU LMUM	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

kgf=Nx0.101972

■Double

Part Number				D Tolerance		L		B		W	D1	(r)	Eccentricity (Max.)	Rows of Balls	Basic Load Rating		Allowable Static Moment (N·m)	Mass (g)
Type	dr	Tolerance		No Surface Treatment	Surface Treatment		Tolerance		Tolerance	W	D1	(r)	Eccentricity (Max.)	Rows of Balls	C (Dynamic) N	Co (Static) N	Allowable Static Moment (N·m)	Mass (g)
LMUW-N (No Seal) LMUW LMUWF LMUWR LMUWM LMUWMF SLMUW SLMUWS	3	0 -0.010	7	0 -0.011	0 -0.015	19	0 -0.3	-	-	-	-	0.3	0.010	4	138	210	0.51	3.2
	4		8			23		-	-	-	-	0.3			176	254	0.63	4.8
	5		10			28		18.2	0 -0.5	1.1	9.6	0.4			263	412	1.38	11
	6		12	0 -0.013	0 -0.018	35		24.8			11.5		0.015		324	529	2.18	16
	8		15	0 -0.013	0 -0.018	45		32.8			14.3				431	784	4.31	31
	10		19	0 -0.016	0 -0.021	55		41.4		1.3	18				588	1100	7.24	62
	12		21			57		43.4			20	0.8			657	1200	10.9	80
	13		23			61		43.4			22				813	1570	11.6	90
	16		28			70		49.8		1.6	27				1230	2350	19.7	145
	20	0 -0.012	32	0 -0.019	0 -0.025	80		57.8	0 -0.6	1.6	30.5		0.020	5	1400	2740	26.8	180
	25		40			112	0 -0.4	78.3		1.85	38	1.5		6	1560	3140	43.4	440
	30		45			123		85.3		1.85	43				2490	5490	82.8	480
LMUW LMUWM	35	0 -0.015	52	0 -0.022	0 -0.030	135		94.8		2.1	49		0.025		2650	6270	110	795
	40		60			151		116.8		2.1	57				3430	8040	147	1170
	50		80			192		142.8		2.6	76.5				6080	15900	397	3100

[ ! ]No-Seal Type has lower sliding resistance (0.4~1.2N).
[ ! ]Spacers and Stoppers for linear bushings can be selected from >> Click here
kgf=Nx0.101972

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Part Number
LMU-N8

Part Number

Volume Discount

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RoHS

Outer Cylinder Material

Outer Cylinder Surface Finish

For Shaft Diameter
(mm)

Overall Length L
(mm)

O.D. D
(mm)

Length

Ball Recirculating Type

Basic Dynamic Load Rating (Details)
(N)

Basic Static Load Rating
(N)

Inner Contact Circle Tolerance (Negative Side)
(mm)

Eccentricity
(µm)

Ball Material

Retainer Material

Seals

Greased filled

Available

Same Day

[Steel] 52100 Bearing Steel Equivalent

None

Single

265

380

-0.009

52100 Bearing Steel Equivalent

Plastic (Duracon M90 Equivalent)

No Seal

Standard (Rust Prevent Oil)

Overview of Linear Bushings

Example

Linear Bushing Spacers (LBS >> Click here)
Stopper (LMST >> Click here)

Fitting with Linear Bushings

Application Example from CAD Library

Product TOP

Basic Information

TYPE	Straight	Motion	Linear Motion	Style	Standard
Lubrication Type	Standard	Type	Straight	Precision	High Grade

Please check the type/dimensions/specifications of the part LMU-N8 in the Standard Linear Bushings (MISUMI) series.

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Volume Discount	Days to Ship	RoHS	Outer Cylinder Material	Outer Cylinder Surface Finish	For Shaft Diameter (mm)	Overall Length L (mm)	O.D. D (mm)	Length	Ball Recirculating Type	Basic Dynamic Load Rating (Details) (N)	Basic Static Load Rating (N)	Inner Contact Circle Tolerance (Negative Side) (mm)	Eccentricity (µm)	Ball Material	Retainer Material	Seals	Greased filled
Available	Same Day Stock	10	[Steel] 52100 Bearing Steel Equivalent	None	16	37	28	Single	Single	775	1180	-0.009	12	52100 Bearing Steel Equivalent	Plastic (Duracon M90 Equivalent)	No Seal	Standard (Rust Prevent Oil)
Available	Same Day Stock	10	[Steel] 52100 Bearing Steel Equivalent	None	20	42	32	Single	Single	882	1370	-0.01	15	52100 Bearing Steel Equivalent	Plastic (Duracon M90 Equivalent)	No Seal	Standard (Rust Prevent Oil)
Available	Same Day Stock	10	[Steel] 52100 Bearing Steel Equivalent	None	25	59	40	Single	Single	980	1570	-0.01	15	52100 Bearing Steel Equivalent	Plastic (Duracon M90 Equivalent)	No Seal	Standard (Rust Prevent Oil)
Available	Same Day Stock	10	[Steel] 52100 Bearing Steel Equivalent	None	10	29	19	Single	Single	372	549	-0.009	12	52100 Bearing Steel Equivalent	Plastic (Duracon M90 Equivalent)	With Seal	Standard (Rust Prevent Oil)
Available	7 Days	10	[Steel] 52100 Bearing Steel Equivalent	None	10	29	19	Single	Single	372	549	-0.009	12	52100 Bearing Steel Equivalent	Plastic (Duracon M90 Equivalent)	With Seal	Type G (Low Particlate)
Available	7 Days	10	[Steel] 52100 Bearing Steel Equivalent	None	10	29	19	Single	Single	372	549	-0.009	12	52100 Bearing Steel Equivalent	Plastic (Duracon M90 Equivalent)	With Seal	Type H (For Food and Beverages)