BRB Series Cross Roller Bearings

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Product Parameter Product Description

BRB series cross roller bearing parameters

Shaft Diameter(mm)	Model Number	Main Dimensions (mm)						Shoulder Height		Basic Load Rating		Weight


		lnrerring (mm)	Outering (mm)	Roller Pitch Circle Diameter（dp）	B B1	Reasing Hole	Chamfer（min）	ds(mm)	Dh(mm)	C(kN)	Co kN	Kg


30	BRB3010	30	55	41.5	10	1	0.6	37	47	7.35	8.36	0.12
35	BRB3510	35	60	46.5	10	1	0.6	41	51.5	7.64	9.12	0.13
40	BRB4010	40	65	51.5	10	1	0.6	47.5	57.5	8.33	10.6	0.16
45	BRB4510	45	70	56.5	10	1	0.6	51	61.5	8.62	11.3	0.17
50	BRB5013	50	80	64	13	1.5	0.6	57.4	72	16.7	20.9	0.27
60	BRB6013	60	90	74	13	1.5	0.6	68	82	18	24.3	0.3
70	BRB7013	70	100	84	13	1.5	1	78	92	19.4	27.7	0.35
80	BRB8016	80	120	98	16	1.5	1	91	111	30.1	42.1	0.7
90	BRB9016	90	130	108	16	1.5	1.5	98	118	31.4	45.3	0.75
100	BRB10016	100	140	119.3	16	1.5	1.5	109	129	31.7	48.6	0.83
100	BRB10020	100	150	123	20	1.5	1.5	113	133	33.1	50.9	1.45
110	BRB11012	110	135	121.8	12	1.5	1	117	127	12.5	24.1	0.4
	BRB11015		145	126.5	15	1.5	1	122	136	23.7	41.5	0.75
	BRB11020		160	133	20	1.5	1.5	120	143	34	54	1.56
120	BRB12016	120	150	134.2	16	1.5	1.5	127	141	24.2	43.2	0.72
120	BRB12025	120	180	148.7	25	2	1	133	164	66.9	100	2.62
130	BRB13015	130	160	144.5	15	1.5	2	137	152	25	46.7	0.72
130	BRB13025	130	190	158	25	2	1	143	174	69.5	107	2.82
140	BRB14016	140	175	154.8	16	1.5	2	147	162	25.9	50.1	1
140	BRB14025	140	200	168	25	2	1.5	154	185	74.8	121	2.96
150	BRB15013	150	180	164	13	1.5	2	157	172	27	53.5	0.68
	BRB15025		210	178	25	2	1	164	194	76.8	128	3.16
	BRB15030		230	188	30	3	2	173	211	100	156	5.3
160	BRB16025	160	220	188.6	25	2	2	173	204	81.7	135	3.14
170	BRB17020	170	220	191	20	1.5	2	184	198	29	62.1	2.11
180	BRB18025	180	240	210	25	2	2	195	225	84	143	3.44
190	BRB19025	190	240	211.9	25	1.5	2	202	222	41.7	82.9	2.99
200	BRB20025	200	260	230	25	2	2.5	215	245	84.2	157	4
	BRB20030		280	240	30	3	2.5	221	258	114	200	6.7
	BRB20035		295	247.7	35	3	2.5	225	270	151	252	9.6
220	BRB22025	220	280	250.1	25	2	2.5	235	265	92.3	171	4.1
240	BRB24025	240	300	269	25	2	3	256	281	68.3	145	4.5
250	BRB25025	250	310	277.5	25	2	3	265	290	69.3	150	5
	BRB25030		330	287.5	30	3	3	269	306	126	244	8.1
	BRB25040		355	300.7	40	3.5	3	275	326	195	348	14.8
300	BRB30025	300	360	328	25	2	3	315	340	76.3	178	5.9
	BRB30035		395	345	35	3	3	322	368	183	367	13.4
	BRB30040		405	351.6	40	3.5	3	326	377	212	409	17.2
350	BRB35020	350	400	373.4	20	1.5	3.5	363	383	54.1	143	3.9
400	BRB40035	400	480	440.3	35	3	3.5	422	459	156	370	14.5
400	BRB40040	400	510	453.4	40	3.5	1.5	428	479	241	531	23.5
450	BRB45025	450	500	474	25	1.5	1.5	464	484	61.7	182	6.6
500	BRB50025	500	550	524.2	25	1.5	1.5	514	534	65.5	201	7.3
	BRB50040		600	548.8	40	3	3.5	526	572	239	607	26
	BRB50050		625	561.6	50	3.5	3.5	536	587	267	653	41.7
600	BRB60040	600	700	650	40	3	4	627	673	264	721	29
700	BRB70045	700	815	753.5	45	3	4	731	777	281	836	46
800	BRB80070	800	950	868.1	70	4	5	836	900	468	1330	105
900	BRB90070	900	1050	969	70	4	5	937	1001	494	1490	120
1000	BRB1000110	1000	1250	1114	110	6	6	1057	1171	1220	3220	360
1250	BRB1250110	1250	1500	1365.8	110	6	6	1308	1423	1350	3970	440

Rotation accuracy of inner ring of BRB series crossed roller bearing

lnner diameter (d) (mm)		Tolerance of the inner ring
lnner diameter (d) (mm)		Radial runout			Axial runout
Above	Orless	P5	P4	P2	P5	P4	P2
Above	Orless	P5	P4	P2	P5	P4	P2
18	30	4	3	2.5	4	3	2.5
30	50	5	4	2.5	5	4	2.5
50	80	5	4	2.5	5	4	2.5
80	120	6	5	2.5	6	5	2.5
120	150	8	6	2.5	8	6	2.5
150	180	8	6	5	8	6	5
180	250	10	8	5	10	8	5
250	315	13	10	6	13	10	6
315	400	15	12	8	15	12	8
400	500	18	14	10	18	14	10
500	630	20	16	12	20	16	12
630	800	25	20	15	25	20	15
800	100o	30	25	20	30	25	20
1000	1250	35	30	25	35	30	25

BRB series cross roller bearing introduction

BRB series crossed roller bearing is a basic type of crossed roller bearing. Its design feature is that the inner ring and outer ring are smaller in size, the outer ring is split type, and the inner ring is integral. This structure makes BRB series bearings suitable for occasions that require high precision for the inner ring.
BRB series crossed roller bearings can withstand loads from multiple directions and have high load carrying capacity. It is easy to operate and install, and is suitable for articulated rotation of various industrial robots, machining centers, precision rotary tables, medical machinery, calculators, integrated circuit manufacturing devices and other application fields.
The characteristics of these bearings make them useful in applications requiring high precision and stability. They provide smooth rotational motion and have high stiffness and load-carrying capacity, making them suitable for use in complex working environments.
It should be noted that the selection and use of BRB series crossed roller bearings need to be carried out according to specific application requirements and working conditions. During installation and maintenance, the guidelines provided by the bearing manufacturer should be followed to ensure the normal operation and life of the bearing.

BRB series cross roller bearing advantages

Higher rotation accuracy

The rollers of BRB series crossed roller bearings are arranged vertically and cross each other at 90°, and are separated by spacers and spacers to avoid the inclination and mutual friction of the rollers. This structure can make the rotation precision of the bearing higher, and the clearance of the outer ring can be adjusted at any time, which helps to improve the precision of the bearing.

Convenient operation and simple installation

The outer ring of the BRB series crossed roller bearing has installation holes, which can be directly installed by screws or rivets, which simplifies the operation process.

Strong bearing capacity

Due to the contact between the rollers and the multiple raceways of the bearing, BRB series crossed roller bearings can withstand greater axial loads, radial loads and overturning moments, and have higher bearing capacity and rigidity.

Compact design, saving installation space

BRB series crossed roller bearings are more delicate in size design, small and compact in size, while maintaining good high rigidity, which can save installation space and are suitable for limited installation environments.

High limit speed

BRB series crossed roller bearings use spacer blocks to avoid mutual friction between rollers, reduce friction loss, and improve the speed capability and limit speed of the bearing.

Low moment of inertia and starting torque

BRB series crossed roller bearings have low moment of inertia and starting torque, which makes it easy to control angular indexing and is conducive to precise rotary motion control.

Reasonable bearing clearance

The bearing clearance of BRB series crossed roller bearings has been reasonably designed, and the rollers have higher running precision, which helps to maintain stable and precise rotation performance.

Convenient lubrication

BRB series crossed roller bearings are equipped with sealing devices and oil injection holes, which are convenient for replenishing lubricating oil or grease, ensuring good lubrication and service life of the bearings.