Deep groove ball bearing-Shandong Dongjie Bearing Co., Ltd.

Model	d	D	B	Cr	Cor	Reference speed	Limiting Speeds
W 637/4 XR-2Z	-	8 mm	3 mm	0.225 N	0.072 N	-	75000
W 637/5 X-2Z	-	9 mm	3 mm	0.247 N	0.085 N	-	67000
W 637/5 X-2ZS	-	9 mm	3 mm	0.247 N	0.085 N	-	67000
W 637/5 XR-2Z	-	9 mm	3 mm	0.247 N	0.085 N	-	67000
W 637/5 XR-2ZS	-	9 mm	3 mm	0.247 N	0.085 N	-	67000
W 637/8 R-2Z	-	12 mm	3.5 mm	0.312 N	0.14 N	-	53000
W 637/8 R-2ZS	-	12 mm	3.5 mm	0.312 N	0.14 N	-	50000
W 637/8 X	-	14 mm	3.5 mm	0.462 N	0.193 N	-	60000
W 637/8 XR	-	14 mm	3.5 mm	0.462 N	0.193 N	-	60000
W 637/8-2Z	-	12 mm	3.5 mm	0.312 N	0.14 N	-	53000
W 637/8-2ZS	-	12 mm	3.5 mm	0.312 N	0.14 N	-	50000
W 637/9 R-2Z	-	14 mm	4.5 mm	0.52 N	0.236 N	-	45000
W 637/9-2ZS	-	14 mm	4.5 mm	0.52 N	0.236 N	-	45000
W 637-2RS1	-	26 mm	9 mm	3.97 N	1.96 N	-	19000
W 637-2RZ	-	26 mm	9 mm	3.97 N	1.96 N	-	32000
W 637-2Z	-	26 mm	9 mm	3.97 N	1.96 N	-	32000
W 638	-	28 mm	9 mm	3.97 N	1.96 N	-	40000
W 638/1	-	3 mm	1.5 mm	0.052 N	0.012 N	-	150000
W 638/1.5 R-2Z	-	4 mm	2 mm	0.062 N	0.016 N	-	110000
W 638/1.5-2Z	-	4 mm	2 mm	0.062 N	0.016 N	-	110000

Deep groove ball bearing