Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
W 60/1.5 R	1.5 mm	6 mm	2.5 mm	0.19 N	0.051 N	180000 rpm	110000 rpm
W 618/1.5	1.5 mm	4 mm	1.2 mm	0.062 N	0.016 N	220000 rpm	140000 rpm
W 618/1.5 R	1.5 mm	4 mm	1.2 mm	0.062 N	0.016 N	220000 rpm	140000 rpm
W 619/1.5 R	1.5 mm	5 mm	2 mm	0.135 N	0.036 N	200000 rpm	120000 rpm
W 639/1.5 R-2Z	1.5 mm	5 mm	2.6 mm	0.135 N	0.036 N	200000 rpm	100000 rpm
W 630/1.5 R-2Z	1.5 mm	6 mm	3 mm	0.19 N	0.051 N	180000 rpm	90000 rpm
W 619/1.5	1.5 mm	5 mm	2 mm	0.135 N	0.036 N	200000 rpm	120000 rpm
D/W R1 R	1.397 mm	4.762 mm	1.984 mm	0.133 N	0.034 N	200000 rpm	130000 rpm
D/W R1 R-2Z	1.397 mm	4.762 mm	2.779 mm	0.133 N	0.034 N	200000 rpm	100000 rpm
D/W RW1 R-2Z	1.397 mm	4.762 mm	3.571 mm	0.133 N	0.034 N	200000 rpm	100000 rpm
D/W R1	1.397 mm	4.762 mm	1.984 mm	0.133 N	0.034 N	200000 rpm	130000 rpm
D/W R1-2Z	1.397 mm	4.762 mm	2.779 mm	0.133 N	0.034 N	200000 rpm	100000 rpm
WBB1-8700-2Z	1.2 mm	4 mm	2.5 mm	0.062 N	0.016 N	220000 rpm	110000 rpm
WBB1-8700 R	1.2 mm	4 mm	1.8 mm	0.062 N	0.016 N	220000 rpm	140000 rpm
WBB1-8700	1.2 mm	4 mm	1.8 mm	0.062 N	0.016 N	220000 rpm	140000 rpm
D/W R0 R-2Z	1.191 mm	3.967 mm	2.38 mm	0.062 N	0.016 N	220000 rpm	110000 rpm
D/W R0 R	1.191 mm	3.967 mm	1.588 mm	0.062 N	0.016 N	220000 rpm	140000 rpm
D/W R0	1.191 mm	3.967 mm	1.588 mm	0.062 N	0.016 N	220000 rpm	140000 rpm
D/W RW0 R-2Z	1.191 mm	3.967 mm	3.175 mm	0.062 N	0.016 N	220000 rpm	110000 rpm
D/W R0-2Z	1.191 mm	3.967 mm	2.38 mm	0.062 N	0.016 N	220000 rpm	110000 rpm