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

Model	d	D	B	Cr	Cor	Reference speed	Limiting Speeds
W 639/2-2Z	-	6 mm	3 mm	0.19 N	0.051 N	-	90000
W 639/3 R-2RS1	-	8 mm	4 mm	0.319 N	0.09 N	-	43000
W 639/3 R-2Z	-	8 mm	4 mm	0.319 N	0.09 N	-	75000
W 639/3-2RS1	-	8 mm	4 mm	0.319 N	0.09 N	-	43000
W 639/3-2Z	-	8 mm	4 mm	0.319 N	0.09 N	-	75000
W 639-2RS1	-	30 mm	10 mm	4.36 N	2.32 N	-	16000
W 639-2RZ	-	30 mm	10 mm	4.36 N	2.32 N	-	28000
W 639-2Z	-	30 mm	10 mm	4.36 N	2.32 N	-	30000
W618/0.6	-	2.5 mm	1 mm	0.034 N	0.007 N	-	160000
WBB1-8700	-	4 mm	1.8 mm	0.062 N	0.016 N	-	140000
WBB1-8700 R	-	4 mm	1.8 mm	0.062 N	0.016 N	-	140000
WBB1-8700-2Z	-	4 mm	2.5 mm	0.062 N	0.016 N	-	110000
WBB1-8701	-	7 mm	2.5 mm	0.221 N	0.067 N	-	100000
WBB1-8701 R	-	7 mm	2.5 mm	0.221 N	0.067 N	-	100000
WBB1-8702	-	8 mm	2.5 mm	0.319 N	0.09 N	-	95000
WBB1-8702 R	-	8 mm	2.5 mm	0.319 N	0.09 N	-	95000
WBB1-8703	-	8 mm	2.5 mm	0.225 N	0.072 N	-	90000
WBB1-8703 R	-	8 mm	2.5 mm	0.225 N	0.072 N	-	90000
WBB1-8704	-	9 mm	2.5 mm	0.325 N	0.095 N	-	90000
WBB1-8704 R	-	9 mm	2.5 mm	0.325 N	0.095 N	-	90000

Deep groove ball bearing