HCH Bearing

PRODUCT

Inch R series

Dimention >> Other Parameters >>

Any combination of closures is available

Basic Bearing No.	Nominal Bearing Dimensions								Preferred Shoulder Diameters
	d		D		B				r (min)		Shaft		Housing
	d		D		Open		Shielded sealed		r (min)		Shaft		Housing
	mm	inch	mm	inch	inch	mm	inch	mm	mm	inch	mm	inch	mm	inch
R3	4.763	0.1875	12.700	0.5000	3.970	0.1562	4.980	0.1960	0.15	0.006	6.350	0.2500	11.125	0.4380
R3A	4.763	0.1875	12.700	0.5000	4.980	0.1960	4.980	0.1960	0.15	0.006	6.350	0.2500	11.125	0.4380
R4	6.350	0.2500	15.875	0.6250	4.980	0.1960	4.980	0.1960	0.20	0.008	7.950	0.3130	14.300	0.5630
R4A	6.350	0.2500	19.050	0.7500	5.560	0.2188	7.140	0.2812	0.30	0.012	8.738	0.3440	16.662	0.6560
R6	9.525	0.3750	22.225	0.8750	5.560	0.2188	7.140	0.2812	0.30	0.012	11.913	0.4690	19.837	0.7810
R8	12.700	0.5000	28.575	1.1250	6.350	0.2500	7.940	0.3125	0.30	0.012	15.088	0.5940	26.187	1.0310
R8-7	11.113	0.4375	28.575	1.1250	6.350	0.2500	...	...	0.30	0.012	...	...	...	...
R10	15.875	0.6250	34.925	1.3750	7.140	0.2812	8.730	0.3438	0.60	0.024	19.050	0.7500	31.750	1.2500
R12	19.050	0.7500	41.275	1.6250	7.940	0.3125	11.110	0.4375	0.60	0.024	23.012	0.9060	37.313	1.4690
R14	22.225	0.8750	47.625	1.8750	9.525	0.3750	12.700	0.5000	0.79	0.031	26.187	1.0310	43.663	1.7190
R16	25.400	1.0000	50.800	2.0000	9.525	0.3750	12.700	0.5000	0.79	0.031	29.362	1.1560	46.838	1.8440
R18	28.575	1.1250	53.975	2.1250	9.525	0.3750	12.700	0.5000	0.79	0.031	32.537	1.2810	50.013	1.9690
R20	31.750	1.2500	57.150	2.2500	9.525	0.3750	12.700	0.5000	0.79	0.031	35.712	1.4060	53.188	2.0940
R22	34.925	1.3750	63.500	2.5000	11.113	0.4375	14.288	0.5625	0.79	0.031	38.887	1.5310	59.538	2.3440
R24	38.100	1.5000	66.675	2.6250	11.113	0.4375	...	...	0.79	0.031	42.062	1.6560	62.713	2.4690

☆We reserve the right to change specifications and other information included in this catalogue without notice.

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Common Options
Z ZZ RZ 2RZ RS 2RS RS1 2RS1	: One Shield : Two Shields : One Non-Contact Seal : Two Non-Contact Seals : One Contact Seal : Two Contact Seals : One Tight sealing type : Two Tight sealing type
C0 C3 EMQ	: Normal Internal Clearance : Greater Than Normal : Electric Motor Quality