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Performances and Parameters

◎ Deep Groove Ball Bearing (Inch System Series)

外形尺寸 Boundary dimensions mm								额定负荷Load rating		极限转速Limiting speeds rpm		轴承型号 Bearing numbers								重量 Weight(g)
												Deep groove ball bearing				Deep groove ball bearigs with flauged outer ring				Deep groove ball bearigs		with flauged outer ring
												Mos		Nsk		Mos		Nsk		Deep groove ball bearigs		with flauged outer ring
d	D	D1	B	B1	C	C1	rsmin	Cr	Cor	Grease	Oil	Open	Closed	Open	Closed	Open	Closed	Open	Closed	Open	Closed	Open	Closed
3.175	6.350	7.518	2.380	2.779	0.584	0.787	0.1	283	95	67000	80000	R144	R144-2Z	R144	R144 ZZS	FR144	FR144-2Z	FR144	FR144 ZZS	0.25	0.27	0.31	0.35
	7.938	9.119	2.779	3.571	0.584	0.787	0.1	560	179	60000	67000	R2-5	R2-5 -2Z	R2-5	R2-5 ZZ	FR2-5	FR2-5-2Z	FR2-5	FR2-5 ZZ	0.55	0.72	0.62	0.81
	9.525	10.719	2.779	3.571	0.584	0.787	0.15	640	225	53000	63000	R2-6	R2-6 -2Z	R2-6	R2-6 ZZ	FR2-6	FR2-6-2Z	FR2-6	FR2-6 ZZ	0.96	1.13	1.04	1.25
	9.525	11.176	3.967	3.967	0.762	0.762	0.3	630	218	56000	67000	R2	R2 -2Z	R2	R2 ZZ	FR2	FR2-2Z	FR2	FR2 ZZ	1.36	1.39	1.51	1.55
	12.700	-	4.366	4.366	-	-	0.3	640	225	53000	63000	R2A	R2A-2Z	R2A	R2A ZZ	-	-	-	-	3.30	3.23	-	-
3.967	7.938	9.119	2.779	3.175	0.584	0.914	0.1	360	149	53000	63000	R155	R155 -2Z	R155	R155 ZZS	FR155	FR155-2Z	FR155	FR155 ZZS	0.51	0.56	0.59	0.67
4.762	7.938	9.119	2.779	3.175	0.584	0.914	0.1	360	149	53000	63000	R156	R156 -2Z	R156	R156 ZZS	FR156	FR156-2Z	FR156	FR156 ZZS	0.39	0.42	0.47	0.53
	9.525	10.719	3.175	3.175	0.584	0.787	0.1	710	270	50000	60000	R166	R166 -2Z	R166	R166 ZZ	FR166	FR166-2Z	FR166	FR166 ZZS	0.81	0.85	0.90	0.98
	12.700	14.351	3.967	4.978	1.067	1.067	0.3	1300	485	43000	53000	R3	R3 -2Z	R3	R3 ZZ	FR3	FR3-2Z	FR3	FR3 ZZ	2.21	2.79	2.97	3.09
	15.875	-	4.978	4.978	-	-	0.3	1480	615	38000	45000	R3A	R3A -2Z	-	-	-	-	-	-	-	-	-	-
6.350	9.525	10.719	3.175	3.175	0.584	0.914	0.1	375	173	48000	56000	R168	R168 -2Z	FR168	FR168 ZZS	FR168	FR168-2Z	FR168	FR168 ZZS	0.57	0.54	0.65	0.68
	12.700	13.894	3.175	4.762	0.584	1.143	0.15	1080	440	40000	50000	R188	R188 -2Z	FR188	FR188	FR188	FR188-2Z	FR188	FR188 ZZ	1.53	2.21	1.64	2.43
	15.875	17.526	4.978	4.978	1.067	1.067	0.3	1480	615	38000	45000	R4	R4 -2Z 12LS 2RZ	R4	FR4 ZZ	FR4	FR4-2Z	FR4	FR4 ZZ	4.46	4.42	4.82	4.78
	19.050	-	5.558	7.142	-	-	0.4	2340	885	36000	43000	R4A	R-2Z-2RS-2LS-RZ	FR4	FR4 ZZ		-	-	-	7.48	9.17	-	-
7.938	12.700	13.894	3.967	3.967	0.787	0.787	0.15	540	276	40000	48000	R1810	R1810 -2Z	FR1810	FR1810 ZZ	FR1810	FR1810-2Z	FR1810	FR1810 ZZS	1.56	1.48	1.17	1.63
9.525	22.225	24.613	5.558	7.142	1.570	1.570	0.4	3350	1410	32000	38000	R6	R6 -2Z-2RS-2LS-2RZ	R6	R6 ZZ	FR6	FR6-2Z	FR6	FR6 ZZS	9.02	11.00	10.00	12.10
12.700	28.575	31.120	6.350	7.938	1.575	1.575	0.4	5115	2415	26000	32000	R8	R8-2Z-2LS	-	-	FR8	FR8-2Z	-	-	-	-	-	-
15.875	34.925	-	7.142	8.733	-	-	0.8	6000	3250	22000	26000	R10	R10-2Z-2LS	-	-	-	-	-	-	-	-	-	-
19.050	41.275	-	7.938	11.13	-	-	0.8	7920	4430	17000	19000	R12	R12-2Z-2LS	-	-	-	-	-	-	-	-	-	-