Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
W 607 R	7 mm	19 mm	6 mm	1.53 N	0.585 N	85000 rpm	56000 rpm
628/7-2Z	7 mm	14 mm	5 mm	0.956 N	0.4 N	100000 rpm	50000 rpm
W 618/7 R	7 mm	14 mm	3.5 mm	0.663 N	0.26 N	100000 rpm	63000 rpm
W 607-2Z	7 mm	19 mm	6 mm	1.53 N	0.585 N	85000 rpm	43000 rpm
W 627-2Z	7 mm	22 mm	7 mm	1.99 N	0.78 N	75000 rpm	38000 rpm
W 628/7-2RS1	7 mm	14 mm	5 mm	0.663 N	0.26 N	-	28000 rpm
618/7	7 mm	14 mm	3.5 mm	0.78 N	0.26 N	100000 rpm	63000 rpm
W 627-2RS1	7 mm	22 mm	7 mm	1.99 N	0.78 N	-	22000 rpm
W 637-2RZ	7 mm	26 mm	9 mm	3.97 N	1.96 N	67000 rpm	32000 rpm
W 619/7	7 mm	17 mm	5 mm	0.923 N	0.365 N	90000 rpm	56000 rpm
WBB1-8707 R-2Z	7 mm	13 mm	4 mm	0.312 N	0.143 N	100000 rpm	50000 rpm
D/W R4 R-2RZ	6.35 mm	15.875 mm	4.978 mm	0.852 N	0.315 N	95000 rpm	48000 rpm
D/W R4A-2RZ	6.35 mm	19.05 mm	7.142 mm	1.53 N	0.585 N	80000 rpm	40000 rpm
D/W RW168 R	6.35 mm	9.525 mm	3.967 mm	0.212 N	0.088 N	120000 rpm	75000 rpm
D/W R188 R-2Z	6.35 mm	12.7 mm	4.762 mm	0.618 N	0.224 N	110000 rpm	53000 rpm
D/W R4-2RZ	6.35 mm	15.875 mm	4.978 mm	0.852 N	0.315 N	95000 rpm	48000 rpm
D/W R188	6.35 mm	12.7 mm	3.175 mm	0.618 N	0.224 N	110000 rpm	67000 rpm
D/W RW168-2ZS	6.35 mm	9.525 mm	3.967 mm	0.212 N	0.088 N	120000 rpm	60000 rpm
D/W R168	6.35 mm	9.525 mm	3.175 mm	0.212 N	0.088 N	120000 rpm	75000 rpm
D/W R168-2ZS	6.35 mm	9.525 mm	3.175 mm	0.212 N	0.088 N	120000 rpm	60000 rpm