RB Series Cross Roller Bearings

Name: RB Series Cross Roller Bearings | LYDL
Brand: LYDL

RB bearings are a common starting point for compact rotary axes that need combined radial, axial and moment-load support. Compare the listed models by dimensions and installation requirements. The reference RB arrangement uses a split outer ring and is commonly selected for inner-ring rotation.

Browse RB series · Request a drawing or quote

Selecting RB bearings

Shaft and housing envelope and retaining flanges
Combined load case, moment arm and duty cycle
Clearance, preload and runout under the intended mounting condition

For a reference design with a split inner ring and outer-ring rotation, compare RE. For integrated rings with fixing holes, compare RU. Compare the related series.

Published RB model pages

RB2008 · RB2508 · RB3010 · RB4010 · RB5013 · RB6013 · RB7013 · RB8016 · RB10016 · RB3510 · RB12025 · RB15025 · RB15013

RB series tables

Read all dimensions against the matching drawing. Blank values mean unspecified, not zero. Reference numbers do not establish full interchangeability.

Nominal type	External dimension						Basic rated load（kN）		Weight	Corresponding type
	Internal diameter	Outside diameter	Width	Pitch Circle diameter of roller	Shoulder dimension		Radial direction		Weight	Corresponding type
	d	D	B	Dpw	ds	Dh	C	Co	Kg	THK	IKO	NSK
LRB 2008	20	36	8	27	23.5	30.5	3.23	3.1	0.04	RB2008
LRB 2508	25	41	8	32	28.5	35.5	3.63	3.83	0.05	RB2508		NRXT2508
LRB 3010	30	55	10	41.5	37	47	7.35	8.36	0.12	RB3010	CRB3010
LRB 3510	35	60	10	46.5	41	51.5	7.64	9.12	0.13	RB3510
LRB 4010	40	65	10	51.5	46.5	57.5	8.33	10.6	0.16	RB4010	CRB4010	NRXT4010
LRB 4510	45	70	10	56.5	51	61.5	8.62	11.3	0.17	RB4510
LRB 5013	50	80	13	64	57.4	72	16.7	20.9	0.27	RB5013	CRB5013	NRXT5013
LRB 6013	60	90	13	74	68	82	18	24.3	0.3	RB6013	CRB6013	NRXT6013
LRB 7013	70	100	13	84	78	92	19.4	27.7	0.35	RB7013	CRB7013	NRXT7013
LRB 8013	80	110	13	94	87	101	20.5	32	0.38			NRXT8013
LRB 8016	80	120	16	98	91	111	30.1	42.1	0.7	RB8016	CRB8016	NRXT8016
LRB 9016	90	130	16	108	98	118	31.4	45.3	0.75	RB9016	CRB9016	NRXT9016
LRB 9020	90	140	20	115	107	123	32	49	1.27			NRXT9020
LRB 10016	100	140	16	119.3	109	129	31.7	48.6	0.83	RB10016
LRBS5008	50	66	8	57	53.5	60.5	5.1	7.19	0.08	CRBS508
LRBS6008	60	76	8	67	63.5	70.5	5.68	8.68	0.09	CRBS608
LRBS7008	70	86	8	77	73.5	80.5	5.98	9.8	0.1	CRBS708
LRBS8008	80	96	8	87	83.5	90.5	6.37	11.3	0.11	CRBS808
LRBS9008	90	106	8	97	93.5	100.5	6.67	12.4	0.12	CRBS908
LRBS10008	100	116	8	107	103.5	110.5	7.15	13.9	0.16	CRBS1008
LRBS11008	110	126	8	117	113.5	120.5	7.45	15	0.15	CRBS1108
LRBS12008	120	136	8	127	123.5	130.5	7.84	16.5	0.17	CRBS1208
LRBS13008	130	146	8	137	133.5	140.5	7.94	17.6	0.18	CRBS1308
LRBS14008	140	156	8	147	143.5	150.5	8.33	19.1	0.19	CRBS1408
LRBS15008	150	166	8	157	153.5	160.5	8.82	20.6	0.2	CRBS1508
LRBS16013	160	186	13	172	165	179	23.3	44.9	0.59	CRBS1613
LRBS17013	170	196	13	182	175	189	23.5	46.5	0.64	CRBS1713
LRBS18013	180	206	13	192	185	199	24.5	49.8	0.68	CRBS1813
LRBS19013	190	216	13	202	195	209	24.9	51.5	0.69	CRBS1913
LRBS20013	200	226	13	212	205	219	25.8	54.7	0.71	CRBS2013
LRB 10020	100	150	20	123	113	133	33.1	50.9	1.45	RB10020	CRB10020	NRXT10020
LRB 11012	110	135	12	121.8	117	127	12.5	24.1	0.4	RB11012
LRB 11015	110	145	15	126.5	122	136	27.3	41.5	0.75	RB11015
LRB 11020	110	160	20	133	120	143	34	54	1.56	RB11020	CRB11020	NRXT11020
LRB 12016	120	150	16	134.2	127	141	24.42	43.2	0.72	RB12016
LRB 12020	120	170	20	145	137	153	36	62	1.6			NRXT12020
LRB 12025	120	180	25	148.7	133	164	66.9	100	2.62	RB12025	CRB12025	NRXT12025
LRB 13015	130	160	15	144.5	137	152	25	46.7	0.72	RB13015
LRB 13025	130	190	25	158	143	174	69.5	107	2.82	RB13025	CRB13025	NRXT13025
LRB 14016	140	175	16	154.8	147	162	25.9	50.1	1	RB14016
LRB 14025	140	200	25	168	154	185	74.8	121	2.96	RB14025	CRB14025	NRXT14025
LRB 15013	150	180	13	164	157	172	27	53.5	0.68	RB15013
LRB 15025	150	210	25	178	164	194	76.8	128	3.16	RB15025	CRB15025	NRXT15025
LRB 15030	150	230	30	188	173	211	100	156	5.3	RB15030	CRB15030	NRXT15030
LRB 16025	160	220	25	188.6	173	204	81.7	135	3.14	RB16025
LRB 17020	170	220	20	191	184	198	29	62.1	2.21	RB17020
LRB 18025	180	240	25	210	195	225	84	143	3.44	RB18025
LRB 19025	190	240	25	211.9	202	222	41.7	82.9	2.99	RB19025
LRB 20025	200	260	25	230	215	245	84.2	157	4	RB20025	CRB20025
LRB 20030	200	280	30	240	221	258	114	200	6.7	RB20030	CRB20030	NRXT20030
LRB 20035	200	295	35	247.7	225	270	151	252	9.6	RB20035	CRB20035
LRB 22025	220	280	25	250.1	235	265	92.3	171	4.1	RB22025
LRB 24025	240	300	25	269	256	281	68.3	145	4.5	RB24025
LRB 25025	250	310	25	277.5	265	290	69.3	150	5	RB25025	CRB25025	NRXT25025
LRB 25030	250	330	30	287.5	269	306	126	244	8.1	RB25030	CRB25030	NRXT25030
LRB 25040	250	355	40	300.7	275	326	195	348	14.8	RB25040	CRB25040
LRB 26035	260	330	35	293	280	305	62	306	8.7
LRB 30025	300	360	25	328	315	340	76.3	178	5.9	RB30025	CRB30025	NRXT30025
LRB 30035	300	395	35	345	322	368	183	367	13.4	RB30035	CRB30035	NRXT30035
LRB 30040	300	405	40	351.6	326	377	212	409	17.2	RB30040	CRB30040	NRXT30040
LRB 35020	350	400	20	373.4	363	383	54.1	143	3.9	RB35020
LRB 40035	400	480	35	440.3	422	459	156	370	14.5	RB40035	CRB40035	NRXT40035
LRB 40040	400	510	40	453.4	428	479	241	531	23.5	RB40040	CRB40040	NRXT40040
LRB 40070	400	580	70	481	430	532	470	811	72.4
LRB 45025	450	500	25	474	464	484	61.7	182	6.6	RB45025
LRB 50025	500	550	25	524.2	514	534	65.5	201	7.3	RB50025
LRB 50040	500	600	40	548.8	526	572	239	607	26	RB50040	CRB50040	NRXT50040
LRB 50050	500	625	50	561.6	536	587	267	653	41.7	RB50050	CRB50050	NRXT50050
LRB 50070	500	680	70	581.5	530	633	653	1330	86.1		CRB50070
LRB 60040	600	700	40	650	627	673	264	721	29	RB60040	CRB60040	NRXT60040
LRB 60070	600	780	70	682	630	734	700	1540	102		CRB60070
LRB 600120	600	870	120	730	643	817	1490	2800	274		CRB600120
LRB 70045	700	815	45	753.5	731	777	281	836	46	RB70045	CRB70045
LRB 70070	700	880	70	782.5	731	834	766	1810	115		CRB70070
LRB 700150	700	1020	150	852	751	953	1980	3820	478		CRB700150
LRB 80070	800	950	70	868.1	836	900	468	1330	105	RB80070	CRB80070
LRB 800100	800	1030	100	906	840	972	1140	2640	247		CRB800100
LRB 90070	900	1050	70	969	937	1001	494	1490	120	RB90070
LRB 1000110	1000	1250	110	1114	1057	1171	1220	3220	360	RB1000110
LRB 1250110	1250	1500	110	1365.5	1308	1423	1350	3970	440	RB1250110
LRBC3010	30	55	10	39	34	44	7.35	8.36	0.12	CRBC3010
LRBC4010	40	65	10	49	44	54	8.33	10.6	0.15	CRBC4010
LRBC5013	50	80	13	63	55	71	16.7	20.9	0.29	CRBC5013
LRBC6013	60	90	13	72.5	64	81	18	24.3	0.33	CRBC6013
LRBC7013	70	100	13	83	75	91	19.4	27.7	0.35	CRBC7013
LRBC8016	80	120	16	96.5	86	107	30.1	42.1	0.74	CRBC8016
LRBC9016	90	130	16	108	98	118	31.4	45.3	0.81	CRBC9016
LRBC10020	100	150	20	121	108	134	33.1	50.9	1.45	CRBC10020
LRBC11020	110	160	20	131	118	144	34	54	1.56	CRBC11020
LRBC12025	120	180	25	148	132	164	66.9	100	2.62	CRBC12025
LRBC13025	130	190	25	156	140	172	69.5	107	2.82	CRBC13025
LRBC14025	140	200	25	167	151	183	74.8	121	2.96	CRBC14025
LRBC15025	150	210	25	176	160	192	76.8	128	3.16	CRBC15025
LRBC15030	150	230	30	134	166	202	100	156	5.3	CRBC15030
LRBC20025	200	260	25	223.5	208	239	84.2	157	4	CRBC20025
LRBC20030	200	280	30	240	218	262	114	200	6.7	CRBC20030
LRBC20035	200	295	35	247.5	221	274	151	252	9.6	CRBC20035
LRBC25025	250	310	25	274.5	259	290	69.3	150	5	CRBC25025
LRBC25030	250	330	30	287.5	265	310	126	244	8.1	CRBC25030
LRBC25040	250	355	40	300.5	271	330	195	348	14.8	CRBC25040
LRBC30025	300	360	25	325.5	310	341	76.3	178	5.9	CRBC30025
LRBC30035	300	395	35	345	318	372	183	367	13.4	CRBC30035
LRBC30040	300	405	40	351	321	381	212	409	17.2	CRBC30040
LRBC40035	400	480	35	435.5	414	457	156	370	14.5	CRBC40035
LRBC40040	400	510	40	453	423	483	241	531	23.5	CRBC40040
LRBC40070	400	580	70	481	430	532	470	811	72.4	CRBC40070
LRBC50040	500	600	40	545	517	573	239	607	26	CRBC50040
LRBC50050	500	625	50	561.5	531	592	267	653	41.7	CRBC50050
LRBC50070	500	680	70	581.5	530	633	653	1330	86.1	CRBC50070
LRBC60040	600	700	40	648.5	621	676	264	721	29	CRBC60040
LRBC60070	600	780	70	682	630	734	700	1540	102	CRBC60070
LRBC600120	600	870	120	730	643	817	1490	2800	274	CRBC600120
LRBC70045	700	815	45	757.5	730	785	281	836	46	CRBC70045
LRBC70070	700	880	70	782.5	731	734	766	1810	115	CRBC70070
LRBC700150	700	1020	150	852	751	953	1980	3820	478	CRBC700150
LRBC80070	800	950	70	869	831	907	468	1330	105	CRBC80070
LRBC800100	800	1030	100	906	840	972	1140	2640	247	CRBC800100
LRBH 2008	20	36	8	27.5	24	31	2.9	2.4	0.04	CRBH208
LRBH 2508	25	41	8	32.5	29	36	3.1	2.8	0.05	CRBH258
LRBH 3010	30	55	10	42.5	36.5	48.5	7.6	8.4	0.12	CRBH3010
LRBH 3510	35	60	10	47.5	41.5	53.5	7.9	9.1	0.13	CRBH3510
LRBH 4010	40	65	10	52.5	46.5	58.5	8.6	10.6	0.15	CRBH4010
LRBH 4510	45	70	10	57.5	51.5	63.5	8.9	11.3	0.16	CRBH4510
LRBH 5013	50	80	13	65	56	74	17.3	20.9	0.27	CRBH5013
LRBH 6013	60	90	13	75	66	84	18.8	24.3	0.3	CRBH6013
LRBH 7013	70	100	13	85	76	94	20.1	27.7	0.35	CRBH7013
LRBH 8016	80	120	16	100	88	112	32.1	43.4	0.7	CRBH8016
LRBH 9016	90	130	16	110	98	122	33.1	46.8	0.75	CRBH9016
LRBH 10020	100	150	20	125	110	140	50.9	72.2	1.45	CRBH10020
LRBH 11020	110	160	20	135	120	150	52.4	77.4	1.56	CRBH11020
LRBH 12025	120	180	25	150	132	168	73.4	108	2.62	CRBH12025
LRBH 13025	130	190	25	160	142	178	75.9	115	2.82	CRBH13025
LRBH 14025	140	200	25	170	152	188	81.9	130	2.96	CRBH14025
LRBH 15025	150	210	25	180	162	198	84.3	138	3.16	CRBH15025
LRBH 20025	200	260	25	230	212	248	92.3	169	4	CRBH20025
LRBH 25025	250	310	25	280	262	298	102	207	5	CRBH25025

RB4010 reference ds maximum = 46.5 mm, checked against THK 513K, A18-24. Confirm the LYDL shoulder drawing before manufacture.

Reference illustrations

Drawing and reference information

The table includes RB2008 with a 36 mm outside diameter. LRB, LRBS and LRBH designations should be treated as separate table families until their complete drawings are matched.

Technical reference: THK Cross-Roller Ring type overview. Brand names identify reference families only. Supplied LYDL dimensions, tolerances, load ratings and acceptance requirements are defined by the drawing and quotation agreed for the order.

Request a drawing or quote with the complete model, quantity, loads, speed, duty cycle and mounting requirements.