Home / Product / Inch Series Deep Groove Ball Bearing / 12.7x28.575x6.35mm Deep Groove Ball Bearing R8 2RS R8/2RS Inch Size R Series Open/ZZ/2RS

12.7x28.575x6.35mm Deep Groove Ball Bearing R8 2RS R8/2RS Inch Size R Series Open/ZZ/2RS

Specification

MODEL	SIZE									BASIC RATED LOAD		WEIGHT (reference) kg
	INNER DIAMETER(d) mm inch		OUTER DIAMETER(D) mm inch		WIDTH					BASIC RATED LOAD
	INNER DIAMETER(d) mm inch		OUTER DIAMETER(D) mm inch		OPEN TYPE mm inch		SHIELD TYPE mm inch		CHAMFER(r) mm	DYNAMIC Cr N	STATIC Cor N
R2	3.175	0.125	9.525	0.375	3.969	0.1563	3.969	0.1563	0.3	640	226	0.0014
R2A	3.175	0.125	12.7	0.5	4.366	0.1719	4.366	0.1719	0.3	640	226	0.0033
R3	4.762	0.1875	12.7	0.5	3.969	0.1563	4.978	0.1960	0.3	1310	485	0.0029
R4	6.35	0.25	15.875	0.625	4.978	0.1960	4.978	0.1960	0.3	1470	600	0.0045
R4A	6.35	0.25	19.05	0.75	5.556	0.2187	7.144	0.2813	0.4	2410	911	0.0100
R6	9.525	0.375	22.225	0.875	5.556	0.2187	7.144	0.2813	0.4	3350	1410	0.0117
R8	12.7	0.5	28.575	1.125	6.35	0.25	7.938	0.3125	0.4	5110	2380	0.0210
R10	15.875	0.625	34.925	1.375	7.144	0.2813	8.731	0.3437	0.8	6000	3250	0.0367
R12	19.05	0.75	41.275	1.625	7.938	0.3125	11.112	0.4375	0.8	8370	4520	0.0630
R14	22.225	0.875	47.625	1.875	9.525	0.375	12.7	0.5	0.8	10060	5920	0.0970
R16	25.4	1	50.8	2	9.525	0.375	12.7	0.5	0.8	10060	5920	0.1070
R18	28.575	1.125	53.975	2.125	9.525	0.375	12.7	0.5	0.8	11900	7460	0.1220
R20	31.75	1.25	57.15	2.25	9.525	0.375	12.7	0.5	0.8	13230	8300	0.1250
R22	34.925	1.375	63.5	2.5	11.112	0.4375	14.288	0.5625	0.8	16210	10420	0.1650
R24	38.1	1.5	66.675	2.625	11.112	0.4375	14.288	0.5625	0.8	17030	11700	0.1720
RLS4	12.7	0.5	33.338	1.3125	9.525	0.375	9.525	0.375	0.6	5200	3800	0.03
RLS5	15.875	0.625	39.688	1.5625	11.112	0.4375	11.112	0.4375	0.6	7200	4300	0.06
RLS6	19.05	0.75	47.625	1.875	14.288	0.5625	14.288	0.5625	1	10000	6300	0.11
RLS7	22.225	0.875	50.8	2	14.288	0.5625	14.288	0.5625	1	12000	7600	0.13
RLS8	25.4	1	57.15	2.25	15.875	0.625	15.875	0.625	1	14000	9700	0.17
RLS9	28.575	1.125	63.5	2.5	15.875	0.625	15.875	0.625	1	15300	10200	0.21
RLS10	31.75	1.25	69.85	2.75	17.462	0.6874	17.462	0.6874	1.1	18300	12300	0.28
RLS11	34.925	1.375	76.2	3	17.462	0.6874	17.462	0.6874	1.1	20100	13900	0.37
RLS12	38.1	1.5	82.55	3.25	19.05	0.75	19.05	0.75	1.1	24000	17000	0.43
RMS4	12.7	0.5	41.28	1.625	15.875	0.625	15.875	0.625	1	7350	4410	0.1076
RMS5	15.875	0.625	46.04	1.8126	15.875	0.625	15.875	0.625	1	9880	6200	0.1172
RMS6	19.05	0.75	50.8	2	17.46	0.6874	17.46	0.6874	1	10450	6560	0.1606
RMS7	22.225	0.875	57.15	2.25	17.46	0.6874	17.46	0.6874	1.1	10780	6980	0.223
RMS8	25.41	1	63.5	2.5	19.05	0.75	19.05	0.75	1.1	17220	11390	0.259
RMS9	28.575	1.125	71.44	2.8126	20.64	0.8126	20.64	0.8126	1.1	22840	15680	0.372
RMS 10	31.75	1.25	79.37	3.125	22.23	0.8752	22.23	0.8752	1.1	26700	17570	0.542
RMS11	34.925	1.375	88.9	3.5	22.23	0.8752	22.23	0.8752	1.5	28400	20900	0.700
RMS12	38.1	1.5	95.25	3.75	23.81	0.9374	23.81	0.9374	1.5	31390	22380	0.800

Precision Class

Standard	Precision Class
GB/T307.1	P0	P6	P5	P4
IS0492	CLASS0	CLASS6	CLASS5	CLASS4
AFBMA STD.20	ABEC1	ABEC3	ABEC5	ABEC7

Bearing Material

Chrome Steel: Chemical Composition of Chrome Steel，According to customer needs, stainless steel bearing materials avaiable

Steel No	Chemical Composition%
Steel No	C	Si	Mn	P	S	Cr
GCr15	0.95-1.05	0.15-0.35	0.20-0.40	≤0.027	≤0.02	1.30-1.65

The Interchange of Chrome Steel No.

Country	China	ISO	U.S.A	Germany	Japan	Sweden
Bearings Steel No.	GCr15	683/VXⅡ	(AISI)52100	(DIN)100Cr6	（Jis）SUJ2	SKF3

Professional manufacture of 12.7x28.575x6.35mm Deep Groove Ball Bearing R8 2RS R8/2RS Inch Size R Series Open/ZZ/2RS.

Years Of Experience

We are an international custom 12.7x28.575x6.35mm Deep Groove Ball Bearing R8 2RS R8/2RS Inch Size R Series Open/ZZ/2RS suppliers and OEM/ODM 12.7x28.575x6.35mm Deep Groove Ball Bearing R8 2RS R8/2RS Inch Size R Series Open/ZZ/2RS company, specialized in the manufacturing deep groove ball bearing. Not only advanced automated production equipment, strict enterprise management, excellent talent team, and strong technology, rigorous process, but also we have a large number of precision grinding machine, mainly use high-quality bearing steel "GCr15" as raw material, and low-carbon alloy steel as attached. The first inspection, Operator self-inspection, inspect all the sizes; Inspect sampling, factory finished product testing and other processes, custom 12.7x28.575x6.35mm Deep Groove Ball Bearing R8 2RS R8/2RS Inch Size R Series Open/ZZ/2RS quality has been Strict controlled. Our quality goal is the pursuit of excellence, achieve customer satisfaction.
We have professional design, development and manufacture of 12.7x28.575x6.35mm Deep Groove Ball Bearing R8 2RS R8/2RS Inch Size R Series Open/ZZ/2RS and deep groove ball bearings. Our leading products are widely used in micro-electromechanical, household appliances, electric fans, washing machines, motorcycles, electric vehicles, medical equipment, sports equipment, textile and agricultural machinery, and process decorations, sliding doors and windows, children′s toys, trolleys, Package, skates, scooters, fitness equipment, various types of machinery sector!