LM/LM-AJ/LM-OP linear motion bearing,standard type/adjustable type/open type optional Suppliers, Company - Zhejiang Mingxu Machinery Manufacturing Co., Ltd.

LM/LM-AJ/LM-OP linear motion bearing,standard type/adjustable type/open type optional

Linear motion bearings, also known as linear bearings, are a type of sliding bearing used for linear motion. They are characterized by low friction, reliable structure, high load-bearing capacity, high precision over long distances, and long service life.
Linear motion bearings can support and guide mechanical components to perform precise linear motion, while reducing friction and wear during movement. The rolling elements (such as balls or rollers) inside roll along the hardened steel raceways, achieving efficient and smooth linear motion. In addition, linear motion bearings have good rigidity and stability, able to withstand large loads and maintain high-precision motion trajectories.
Linear motion bearings are widely used in various industrial machinery and equipment that require linear motion. For example, in machine tools, punching machines, printers, and other equipment, linear motion bearings are used to support and guide tools, workpieces, or print heads to perform precise linear motion. They are also commonly used in automated production lines, robots, precision measurement instruments, and other fields, providing powerful support for the precise and efficient operation of these devices. In specific fields, such as medium- and low-speed maglev vehicles, linear bearings serve as one of the key components of the air spring suspension system, and their performance directly determines whether the train can operate safely and smoothly through curves.
Linear motion bearings from Mingxu Machinery, available in standard lengths, offer flexibility in their design to meet a variety of customer needs. Depending on the specific requirements, customers can choose between a resin retainer or a high-temperature resistant retainer. This ensures that the bearings can withstand the operational conditions they will be subjected to. Metric standards are adopted for these bearings, making them universally compatible and suitable for use in countries across Asia, Europe, and America. Additionally, to further enhance their durability and protect them from rust, these bearings can be nickel-plated according to customer requirements. This customization ensures that the bearings not only meet but exceed the expectations of their users.

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LM···UU(Resin retainer)

This type is a metric dimension series widely usedin Asia and othercountries.

All models can be done with nickle plated according to customers'requirements, with function of rust-proof.


LM···UU	LM···UU-AJ	LM···UU-OP

Nominal shaft diameter mm	Resin retainer									dr
	LM...UU	Ball circuit	Weight(g)	LM…UU-AJ	Ball circuit	Weight(g)	LM...UU-OP	Ball circuit	Weight(g)	mm	Tolerance μm
	LM...UU	Ball circuit	Weight(g)	LM…UU-AJ	Ball circuit	Weight(g)	LM...UU-OP	Ball circuit	Weight(g)	mm	Precision	High
3	LM3	4	1.35	一	一	一	一	一	一	3	0 -5	0 -8
4	LM4	4	1.9	一	一	一	一	一	一	4
5	LM5UU	4	4	一	一	一	一	一	一	5
6	LM6UU	4	7.6	LM6UU-AJ	4	7.5	一	一	一	6	0 -6	0 -9
8	LM8SUU	4	10.4	LM8SUU-AJ		10	一	一	一	8
8	LM8UU	4	5	LM8UU-AJ	4	14.7	一	—	一	8
10	LM10UU	4	29.5	LM10UU-AJ	4	29	LM10UU-OP	3	23	10
12	LM12UU	4	31.5	LM12UU-AJ	4	31	LM12UU-OP	3	25	12
13	LM13UU	4	43	LM13UU-AJ	4	42	LM13UU-OP	3	34	13
16	LM16UU	5	69	LM16UU-A	5	68	LM16UU-OP	4	52	16
20	LM20UU	5	87	LM2000-AJ	5	85	LM20UU-OP	4	69	20	0 -9	0 -10
25	LM25UU	6	220	LM25UU-AJ	6	216	LM25UU-OP	5	188	25
30	LM30UU	6	250	LM30UU-AJ	6	245	LM30UU-OP	5	210	30
35	LM35UU	6	390	LM35UU-AJ	6	384	LM35UU-OP	5	335	35	0 -8	0 -12
40	LM40UU	6	585	LM40UU-AJ	6	579	LM40UU-OE	5	500	40
50	LM50UU	6	1,580	LM50UU-AJ	6	1,560	LM50UU-OP	5	1,340	50
60	LM60UU	6	860	LM60UU-AJ	6	1,820	LM60UU-OP	5	1,610	60	0 -9	0 -15
80	LM80UU	6	4.420	LM80UU-AJ	6	4,300	LM80UU-OP	5	3,650	80	0 -9	0 -15
100	LM100UU	6	8,600	LM100UU-AJ	6	8,540	LM100UU-OP	5	7,200	100	0 -10	0 -20

Note: Smaller sizes (3 and 4mm 1.D.) are non-seal type only.

Major dimensions and tolerance											Eccentricity μm		Radial clearance (Max) μm	Basic load rating
D		L		B		W mm	D₁ mm	h mm	h₁ mm	Θ	Eccentricity μm			Basic load rating
mm	Tolerance μm	mm	Tolerance μm	mm	Tolerance μm	W mm	D₁ mm	h mm	h₁ mm	Θ	Precision	High		Dynamic C N	Static Co N
7	0 -9	10	0 -120	—	—	—	—	—	—	—	4	8	-3	69	105
8		12		—	—	—	—	—	—	—				88	127
10		15		10.2	0 -200	1.1	9.6	—	—	—				167	206
12	0 -11	19	0 -200	13.5		1.1	11.5	1	一	一	8	12		206	265
15		17		11.5		1.1	14.3	1	一	一				176	216
15		24		17.5		1.1	14.3	1	一	—				274	392
19	0 -13	29		22		1.3	18	1	6.8	80°			-4	372	549
21		30		23		1.3	20	1.5	8	80°				510	784
23		32		23		1.3	22	1.5	9	80°				510	784
28		37		26.5		1.6	27	1.5	11	80°			-6	774	1.180
32	0 -16	42		30.5		1.6	30.5	1.5	11	60°	10	15		882	1,370
40		59	0 -300	41	0 -300	1.85	38	2	12	50°				980	1.570
45		64		44.5		1.85	43	2.5	15	50°			-8	1,570	2,740
52	0 -19	70		49.5		2.1	49	2.5	17	50°	12	20	-8	1,670	3,140
60		80		60.5		2.1	57	3	20	50°			-10	2,160	4,020
80		100		74		2.6	76.5	3	25	50°			-13	3,820	7,940
90	0 -22	110		85		3.15	86.5	3	30	50°	17	25	-13	4,700	10,000
120	0 -22	140	0 -400	105.5	0 -400	4.15	116	3	40	50°	17	25	-20	7.350	16,000
150	0 -25	175	0 -400	125.5	0 -400	4.15	145	3	50	50°	20	30	-20	14,100	34,800

SIUNIT:1N-0.102kgf

LM…GA (High-temperature Resistant Retainer)

This type is a metric dimension series widely used in Asia and other countries.

All models can be done with nickle plated according to customers' requirements, with function of rust-proof.


LM···GA		LM···GA-AJ	LM···GA-OP

Nominal shaft diameter mm	Zinc alloy retainer																	dr
	LM...GA		Ball circuit		Weight(g)		LM…GA-AJ		Ball circuit	Weight(g)			LM...GA-OP		Ball circuit		Weight(g)	mm	Tolerance μm
																			Precision			High
5	LM5GA	4		5.5		—		—			—	—		—		—		5		0 -5	0 -8
6	LM6GA	4		8.9		LM6GA-AJ		4			8.8	—		—		—		6		0 -6
8	LM8GA	4		17.3		LMBGA-AJ		4			17	—		—		—		8			0 -9
10	LM10GA	4		32		LM10GA-AJ		4			31.5	LM10GA-OP		3		24		10
12	LM12GA	4		36.7		LM12GA-AJ		4			36.2	LM12GA-OP		3		27.5		12
13	LM13GA	4		50		LM13GA-AJ		4			49	LM13GA-OP		3		37.5		13
16	LM16GA	5		86		LM16GA-AJ		5			85	LM16GA-OP		4		68.8		16
20	LM20GA	5		12		LM20GA-AJ		5			110	LM20GA-OP		4		89.6		20		0 -7	0 -10
25	LM25GA	6		282		LM25GA-AJ		6			278	LM25GA-OP		5		235		25
30	LM30GA	6		326		LM30GA-AJ		6			321	LM30GA-OP		5		271.7		30
35	LM35GA	6		489		LM35GA-AJ		6			483	LM35GA-OP		5		407.5		35		0 -8	0 -12
40	LM40GA	6		730		LM40GA-AJ		6			724	LM40GA-OP		5		608.3		40
50	LM50GA	6		1,580		LM50GA-AJ		6			1,560	LM50GA-OP		5		1.340		50
60	LM60GA	6		1,860		LM60GA-AJ		6			1,820	LMGOGA-OP		5		1,610		60		0 -9	0 -15
80	LMR0c	6		4,420		LM80GA-AJ		6			4,300	LM80GA-OP		5		3,650		80
100	LM100GA	6		8,600		LM100GA-AJ		6			8,540	LM100GA-OP		5		7,200		100		0 -10	0 -20

Major dimensions and tolerance											Eccentricity μm		Radial clearance (Max) μm	Basic load rating
D		L		B		W mm	D₁ mm	h mm	h₁ mm	Θ	Eccentricity μm			Basic load rating
mm	Tolerance μm	mm	Tolerance μm	mm	Tolerance μm	W mm	D₁ mm	h mm	h₁ mm	Θ	Precision	High		Dynamic C N	Static Co N
10	0 -9	15	0 -120	10.2	0 -200	1.1	9.6	—	—	—	4	8	-3	167	206
12	0 -11	19	0 -200	13.5		1.1	11.5	1	—	—	8	12		206	265
15	0 -11	24		17.5		1.1	14.3	1	—	—				274	392
19	0 -13	29		22		1.3	18	1	6.8	80°			-4	372	549
21		30		23		1.3	20	1.5	8	80°				510	784
23		32		23		1.3	22	1.5	9	80°				510	784
28		37		26.5		1.6	27	1.5	11	80°			-6	774	1,180
32	0 -16	42		30.5		1.6	30.5	1.5	11	60°	10	15		882	1,370
40		59	0 -300	41	0 -300	1.85	38	2	12	50°				980	1,570
45		64		44.5		1.85	43	2.5	15	50°			-8	1,570	2,740
52	0 -19	70		49.5		2.1	49	2.5	17	50°	12	20	-8	1,670	3,140
60		80		60.5		2.1	57	3	20	50°			-10	2,160	4,020
80		100		74		2.6	76.5	3	25	50°			-13	3,820	7,940
90	0 -22	110		85		3.15	86.5	3	30	50°	17	25	-13	4,700	10,000
120	0 -22	140		105.5	0 -400	4.15	116	3	40	50°	17	25	-20	7,350	16,000
150	0 -25	175	0 -400	125.5	0 -400	4.15	145	3	50	50°	20	30	-20	14,100	34,800

SIUNIT:1N-0.102kgf

LME···UU (Resin retainer)

This type is a metric dimension series generally used in Europe.

All models can be done with nickle plated according to customers' requirements, with function of rust-proof.


LME···UU	LME··UU-AJ	LME···UU-OP

Nominal shaft diameter mm	Resin retainer									dr
	LME...UU	Ball circuit	Weight(g)	LME…UU-AJ	Ball circuit	Weight(g)	LME...UU-OP	Ball circuit	Weight(g)	mm	Tolerance μm
	LME...UU	Ball circuit	Weight(g)	LME…UU-AJ	Ball circuit	Weight(g)	LME...UU-OP	Ball circuit	Weight(g)	mm	Precision	High
3	LME3	4	1.35	—	—	—	—	—	—	3	—	+8 -0
4	LME4	4	1.9	—	—	—	—	—	—	4
5	LME5UU	4	11	LME5UU-AJ	4	10	—	—	—	5
8	LME8UU	4	20	LME8UU-AJ	4	19.5	—	—	—	8
10	LME10UU	4	29.5	LME10UU-AJ	4	29	LME10UU-OP	3	23	10
12	LME12UU	4	41	LME12UU-AJ	4	40	LME12UU-OP	3	32	12
16	LME16UU	5	57	LME16UU-AJ	5	56	LME16UU-OP	4	44	16	—	+9 -1
20	LME20UU	5	91	LME20UU-AJ	5	90	LME20UU-OP	4	75	20	—	+9 -1
25	LME25UU	6	215	LME25UU-AJ	6	212	LME25UU-OP	5	181	25	—	+11 -1
30	LME30UU	6	325	LME30UU-AJ	6	320	LME30UU-OP	5	272	30	—	+11 -1
40	LME40UU	6	705	LME40UU-AJ	6	694	LME40UU-OP	5	600	40	—	+13 -2
50	LME50UU	6	1,130	LME50UU-AJ	6	1,110	LME50UU-OP	5	970	50
60	LME60UU	6	2,050	LME60UU-AJ	6	2,000	LME60UU-OP	5	1,580	60
80	LME80UU	6	5,140	LME80UU-AJ	6	5,000	LME80UU-OP	5	4,380	80	—	+16 -4

Note: Smaller sizes (3 and 4mm 1.D.) are non-seal type only.

Major dimensions and tolerance											Eccentricity μm	Radial clearance (Max) μm	Basic load rating
D		L		B		W mm	D₁ mm	h mm	h₁ mm	Θ			Basic load rating
mm	Tolerance μm	mm	Tolerance μm	mm	Tolerance μm	W mm	D₁ mm	h mm	h₁ mm	Θ			Dynamic C N	Static Co N
7	0 -8	10	0	—	—	—	—	—	—	—	10	-3	69	105
8		12	-120	—	—	—	—	—	—	—	10		88	127
12		22		14.5	0 -200	1.1	11.5	1	一	—	12		206	265
16		25		16.5		1.1	15.2	1	—	—			265	402
19	0 -9	29	0	22		1.3	18	1	6.8	80°		-4	372	549
22		32	-200	22.9		1.3	21	1.5	7.5	78°			510	784
26		36		24.9		1.3	24.9	1.5	10	78°			578	892
32	0 -11	45		31.5		1.6	30.3	2	10	60°	15	-6	862	1,370
40		58		44.1	0 -300	1.85	37.5	2	12.5	60°		-6	980	1,570
47		68	0	52.1		1.85	44.5	2	12.5	50°		-8	1,570	2,740
62	0 -13	80	-300	60.6		2.15	59	3	16.8	50°	17	-8	2,160	4,020
75	0 -13	100		77.6		2.65	72	3	21	50°	17	-8	3,820	7,940
90	0 -15	125	0	101.7	0 -400	3.15	86.5	3	27.2	54°	20	-13	4,700	9,800
120	0 -19	165	-400	133.7	0 -400	4.15	116	3	36.3	54°	25	-20	7,350	16,000

SIUNIT:1N-0.102kgf

LMB···UU (Resinretainer)

This type is an inch dimension series mainly used in the America.

All models can be done with nickle plated according to customers' requirements, with function of rust-proof.


LMB···UU	LMB···UU-AJ	LMB···UU-OP

Nominal shaft diameter Inch/mm	Resin retainer									dr
	LMB...UU	Ball circuit	Weight(g)	LMB…UU-AJ	Ball circuit	Weight(g)	LMB...UU-OP	Ball circuit	Weight(g)	Inch mm	Tolerance Inch/μm
	LMB...UU	Ball circuit	Weight(g)	LMB…UU-AJ	Ball circuit	Weight(g)	LMB...UU-OP	Ball circuit	Weight(g)	Inch mm	Precision	High
1/4 6.350	LMB4	4	ao	LMB4-AJ	4	7.5	—	—	—	.2500 6.350	0 -00025 0 -6	0 -.00040 0 -9
3/8 9.525	LMB6UU	4	14	LMB6UU-AJ	4	135	—	—	—	.3750 9.525
1/2 12.700	LMB8UU	4	37	LMB8UU-AJ	4	365	LMB8UU-OP	3	28	.5000 12.700
5/8 15.875	LMB10UU	4	76	LMB10UU-AJ	4	74	LMB10UU-OP	3	57	.6250 15.875
3/4 19.050	LMB12UU	5	95	LMB12UU - AJ	5	93	LMB12UU-OP	4	76	07500 19.050	0 -.00030 0 -7	0 -.00040 0 -10
1 25.400	LMB16UU	6	200	LMB16UU-AJ	6	198	LMB16UU-OP	5	170	1.0000 25.400	0 -.00030 0 -7	0 -.00040 0 -10
1-1/4 31.750	LMB20UU	6	440	LMB20UU-AJ	6	430	LMB20UU-OP	5	370	1.2500 31.750	o -.00035 0 -8	o -.00050 0 -12
1-1/2 38.100	LMB24UU	6	670	LMB24UU-AJ	6	660	LMB24UU-OP	5	570	1.5000 38.100
2 50.800	LMB32UU	6	1.140	LMB32UU-AJ	6	1.120	LMB32UU-OP	5	980	2.0000 50.800

Major dimensions and tolerance											Eccentricity μm		Radial clearance (Max)Inch/ μm	Basic load rating
D		L		B		W Inch mm	D₁ Inch mm	h Inch mm	h₁ Inch mm	Θ
Inch mm	Tolerance μm	Inch mm	Tolerance μm	Inch mm	Tolerance μm						Precision	High		Dynamic C N	Static Co N
.5000	0 -.00045 0 -11	.7500	0 -.008 0 -200	.5110	0 -.008 0 -200	.0390	.4687	.04 1	—	—	.0003 8	.0005 12	-.0001 -3	206	265
12.700		19.050		12.98		0.992	11.906
.6250	0 -.00050 0 -13	.8750		.6358		.0390	.5880	.04 1	—	—				225	314
15.875		22.225		16.15		0.992	14.935
.8750		1.2500		.9625		.0459	.8209	.06 1.5	.34	80°			-.0001 -4	510	784
22.225		31.750		24.46		1.168	20.853		7.9375
1.1250		1.5000		1.1039		.0559	1.0590	.06 1.5	.375	80°				774	1,180
28.575		38.100		28.04		1.422	26.899		9.525
1.2500	0 -.00065 0 -16	1.6250		1.1657		.0559	1.1760	.06 1.5	.4375	60°	.0004 10	.0006 15	-.0002 -6	862	1,370
31.750		41.275		29.61		1.422	29.870		11.1125
1.5625		2.2500	0 -.012 0 - 300	1.7547	0 -.012 0 -300	.0679	1.4687	.06 1.5	.5625	50°				980	1,570
39.688		57.150		44.57		1.727	37.306		14.2875
2.0000	0 -.00075 0 -19	2.6250		2.0047		.0679	1.8859	.10 2.5	.625	50°	.0005 12	.0008 20	-.0003 -8	1,570	2,740
50.800		66.675		50.92		1.727	47.904		15.875
2.3750		3.0000		2.4118		.0859	2.2389	.12 3	.75	50°				2,180	4,020
60.325		76.200		61.26		2.184	56.870		19.05
3.0000	0 -.00090 0 -22	4.0000		3.1917		.1029	2.8379	.12	1.0	50°	.0007	.0010	-.0005	3,820	7,940
76.200		101.600		81.07		2.616	72.085	3	25.40		17	25	-13

Type	Description	Material
		Outer cylinder	Retainer
Standard Type	Closed type outside cylinder.	Steel	Steel
			Resin
Adjustable Type	This type has a slot in the outside cylinder.This design allows for clearance adjustment.	Steel	Steel
			Resin
Open Type	One ball circuit is removed to alow an openingslot to fit over rail supports.	Steel	Steel
			Resin
Double-Wide Type	This type has two retainers in the outside cylinder.This structure is useful when momentloads areapplied to the slide bush.	Steel	Steel
			Resin
Pressing Outer Race Type	Outer race is pressing.	Steel	Resin
Stroke Bearing	Closed type outside cylinder.	Steel	Aluminum

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