Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
W 618/2 XR	2 mm	5 mm	2 mm	0.094 N	0.025 N	200000 rpm	120000 rpm
W 602 XR-2ZS	2 mm	7 mm	3 mm	0.221 N	0.067 N	160000 rpm	80000 rpm
W 638/2-2Z	2 mm	5 mm	2.3 mm	0.094 N	0.025 N	200000 rpm	100000 rpm
W 638/2 R-2Z	2 mm	5 mm	2.3 mm	0.094 N	0.025 N	200000 rpm	100000 rpm
W 630/2 R-2ZS	2 mm	7 mm	3.5 mm	0.221 N	0.067 N	160000 rpm	80000 rpm
W 639/2 R-2Z	2 mm	6 mm	3 mm	0.19 N	0.051 N	180000 rpm	90000 rpm
W 637/2-2Z	2 mm	4 mm	2 mm	0.068 N	0.019 N	200000 rpm	100000 rpm
W 619/2 X-2Z	2 mm	6 mm	2.5 mm	0.19 N	0.051 N	180000 rpm	90000 rpm
W 617/2	2 mm	4 mm	1.2 mm	0.068 N	0.019 N	200000 rpm	130000 rpm
W 602	2 mm	7 mm	2.8 mm	0.221 N	0.067 N	160000 rpm	100000 rpm
W 619/2 XR	2 mm	6 mm	2.5 mm	0.19 N	0.051 N	180000 rpm	110000 rpm
W 619/2 R	2 mm	6 mm	2.3 mm	0.19 N	0.051 N	180000 rpm	110000 rpm
W 619/2 X	2 mm	6 mm	2.5 mm	0.19 N	0.051 N	180000 rpm	110000 rpm
W 619/2 XR-2Z	2 mm	6 mm	2.5 mm	0.19 N	0.051 N	180000 rpm	90000 rpm
W 602 X-2ZS	2 mm	7 mm	3 mm	0.221 N	0.067 N	160000 rpm	80000 rpm
W 618/2	2 mm	5 mm	1.5 mm	0.094 N	0.025 N	200000 rpm	120000 rpm
WBB1-8701	2 mm	7 mm	2.5 mm	0.221 N	0.067 N	160000 rpm	100000 rpm
W 639/2-2Z	2 mm	6 mm	3 mm	0.19 N	0.051 N	180000 rpm	90000 rpm
W 630/2-2ZS	2 mm	7 mm	3.5 mm	0.221 N	0.067 N	160000 rpm	80000 rpm
W 618/2 R	2 mm	5 mm	1.5 mm	0.094 N	0.025 N	200000 rpm	120000 rpm