Auto Precision Cross Roller Bearing Rb2508 with P4, P6, P5 Accuracy Grade

• Customization: Available
• Rolling Body: Roller Bearings
• The Number of Rows: Single
• Model NO.: RB2508
• Outer Dimension: Small and Medium-Sized (60-115mm)
• Material: Bearing Steel
• Spherical: Non-Aligning Bearings
• Load Direction: Radial and Thrust Bearing
• Separated: Separated
• Inner Diameter: 25mm
• Outer Diameter: 41mm
• Weight: 0.05kg
• Dynamic Load: 3.63kn
• Static Load: 3.83kn
• Bearing Type: Rb Bearing and Rb-Uu Bearing
• Application: Machining Centers, Joint Parts or Rotating Parts O
• Features: High Precision, High Load Carrying Capacity
• Transport Package: Cases and Pallets
• Specification: customized
• Trademark: ZYS
• Origin: Luoyang

Product Description

Auto precision Cross Roller Bearing RB2508 with P4, P6, P5 accuracy grade

RB series cross cylindrical roller bearings are the basic type of cross cylindrical roller bearings. The size of the inner and outer rings is miniaturized. It has structure with separable outer ring, integrated design of inner ring, suitable for parts requiring high rotation accuracy of inner ring. RB series cross cylindrical roller bearing has two structural types: RB (open type) and RB-UU (double end face seal) type.



More information about precision cross cylindrical roller bearings :
ZYS precision cross cylindrical roller bearings can simultaneously bear radial load, bidirectional thrust load and overturning moment, and have high rigidity.

This type of bearing is suitable for rotating tables in machining centers, joint parts or rotating parts of industrial robots, rotating parts of manipulators, medical equipment, precision rotating tables, IC manufacturing devices, measuring instruments, etc.

Inside the cross cylindrical roller bearing, the rollers are arranged at 90°to cross each other vertically, and the structure is compact. ZYS precision cross cylindrical roller bearings have three structural forms: with full complement rollers, with cages, and with interval retainers. Among them, bearings with full complement rollers are suitable for low speed and heavy load conditions; while bearings with cage and with interval retainer is suitable for the working condition of small friction torque and high speed.

ZYS precision cross cylindrical roller bearings are divided into seven structural series: RB series, RE series, RU series, RA series, RA-C series, CRB series and CRBH-A series.

Characteristics of cross cylindrical roller bearings

High precision: The inner or outer ring of the cross cylindrical roller bearing can be separated, and the bearing gap can be adjusted, so that it can still obtain higher rotation accuracy under load.

High load carrying capacity: Compared with the traditional cage, the spacer retainer of the cross cylindrical roller bearing can increase the effective contact length of the roller, thereby greatly improving the load carrying capacity; at the same time, the spacer retainer guides the full length of each roller, which effectively prevents the roller from tilting. In addition, the spacer retainer keeps the load area symmetrically distributed, preventing end-face contact caused by the asymmetry of the load area, reducing friction and wear, and improving bearing life.

High stiffness: Compared with double row angular contact ball bearings, cross cylindrical roller bearings can bear the load in all directions with only one row of crossed cylindrical rollers, greatly reducing the width of the bearing, and meeting the requirements of compact structure. Because the roller is loaded, the stiffness of the cross cylindrical roller bearings can also be increased by 3-4 times when the rigidity of the installed components remains unchanged.

Simple operation: cross cylindrical roller bearing has the separated inner ring or outer ring. After the roller and the spacer cage are installed in bearing, the inner/ outer ring is fixed with another part that can not be separated to prevent separation from each other, so the installation operation is very simple.

Technical parameter of precision cross cylindrical roller bearings :
 

Model No.	Outer dimension (mm)				Installation dimension (mm)		Rated load (Kn)		Weight
	d	D	B/C	Rmin	da	Da	C	C0	kg
RB2008	20	36	8	0.5	23.5	30.5	3.23	3.1	0.04
RB2508	25	41	8	0.5	28.5	35.5	3.63	3.83	0.05
RB3010	30	55	10	0.6	37	47	7.35	8.36	0.12
RB3510	35	60	10	0.6	41	51.5	7.64	9.12	0.13
RB4010	40	65	10	0.6	47.5	57.5	8.33	10.6	0.16
RB4510	45	70	10	0.6	51	61.5	8.62	11.3	0.17
RB5013	50	80	13	0.6	57.4	72	16.7	20.9	0.27
RB6013	60	90	13	0.6	68	82	18	24.3	0.3
RB7013	70	100	13	0.6	78	92	19.4	27.7	0.35
RB8016	80	120	16	0.6	91	111	30.1	42.1	0.7
RB9016	90	130	16	1	98	118	31.4	45.3	0.75
RB10016	100	140	16	1	109	129	31.7	48.6	0.83
RB10020	100	150	20	1	113	133	33.1	50.9	1.45
RB11012	110	135	12	0.6	117	127	12.5	24.1	0.4
RB11015	110	145	15	0.6	122	136	23.7	41.5	0.75
RB11020	110	160	20	1	120	143	34	54	1.56
RB12016	120	150	16	0.6	127	141	24.2	43.2	0.72
RB12025	120	180	25	1.5	133	164	66.9	100	2.62
RB13015	130	160	15	0.6	137	152	25	46.7	0.72
RB13025	130	190	25	1.5	143	174	69.5	107	2.82
RB14016	140	175	16	1	147	162	25.9	50.1	1
RB14025	140	200	25	1.5	154	185	74.8	121	2.96
RB15013	150	180	13	0.6	157	172	27	53.5	0.68

RB15025	150	210	25	1.5	164	194	76.8	128	3.16
RB15030	150	230	30	1.5	173	211	100	156	5.3
RB16025	160	220	25	1.5	173	204	81.7	135	3.14
RB17020	170	220	20	1.5	184	198	29	62.1	2.21
RB18025	180	240	25	1.5	195	225	84	143	3.44
RB19025	190	240	25	1	202	222	41.7	82.9	2.99
RB20025	200	260	25	2	215	245	84.2	157	4
RB20030	200	280	30	2	221	258	114	200	6.7
RB20035	200	295	35	2	225	270	151	252	9.6
RB22025	220	280	25	2	235	265	92.3	171	4.1
RB24025	240	300	25	2.5	256	281	68.3	145	4.5
RB25025	250	310	25	2.5	265	290	69.3	150	5
RB25030	250	330	30	2.5	269	306	126	244	8.1
RB25040	250	355	40	2.5	275	326	195	348	14.8
RB30025	300	360	25	2.5	315	340	76.3	178	5.9
RB30035	300	395	35	2.5	322	368	183	367	13.4
RB30040	300	405	40	2.5	326	377	212	409	17.2
RB35020	350	400	20	2.5	363	383	54.1	143	3.9
RB40035	400	480	35	2.5	422	459	156	370	14.5
RB40040	400	510	40	2.5	428	479	241	531	23.5
RB45025	450	500	25	1	464	484	61.7	182	6.6
RB50025	500	550	25	1	514	534	65.5	201	7.3
RB50040	500	600	40	2.5	526	572	239	607	26
RB50050	500	625	50	2.5	536	587	267	653	41.7
RB60040	600	700	40	3	627	673	264	721	29
RB70045	700	815	45	3	731	777	281	836	46
RB80070	800	950	70	4	836	900	468	1330	105
RB90070	900	1050	70	4	937	1001	494	1490	120
RB1000110	1000	1250	110	5	1057	1171	1220	3220	360
RB1250110	1250	1500	110	5	1308	1423	1350	3970	440

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FAQ:

Q: Are you trading company or manufacturer?
A: ZYS is bearing manufacturer, the only first-class comprehensive research institute in China bearing industry.

Q: How do you control quality of bearing?
A: ZYS has established quality control systems for each kind of bearing and spindle. All products and services passed ISO9001-2008 Quality Certificate.


Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail  for more information.

Q: How about the package?
A: Industrial packing in general condition (Plastic tube+ carton+ pallet). Accept design package when OEM.

Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.

Q: How about the shipping?
A: We can arrange the shipment or you may have the forwarder.

Q: Is sample avaiable?
A: Yes, sample order is acceptable.

Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable. We can design the bearing with your requirements and use your own LOGO and package design.

 

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