Deep groove ball bearings-Liaocheng Kangna Machinery Co., Ltd.

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Deep groove ball bearings

Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Reference speed	Limiting speed
W 638/2-2Z	2 mm	5 mm	2.3 mm	0.094 N	0.025 N	200000 rpm	100000 rpm
W 638/2.5-2Z	2.5 mm	6 mm	2.6 mm	0.117 N	0.036 N	170000 rpm	85000 rpm
W 638/2.5 R-2Z	2.5 mm	6 mm	2.6 mm	0.117 N	0.036 N	170000 rpm	85000 rpm
W 638/2 XR-2Z	2 mm	5 mm	2.5 mm	0.094 N	0.025 N	200000 rpm	100000 rpm
W 638/2 X-2Z	2 mm	5 mm	2.5 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 638/1.5-2Z	1.5 mm	4 mm	2 mm	0.062 N	0.016 N	220000 rpm	110000 rpm
W 638/1.5 R-2Z	1.5 mm	4 mm	2 mm	0.062 N	0.016 N	220000 rpm	110000 rpm
W 638/1	1 mm	3 mm	1.5 mm	0.052 N	0.012 N	240000 rpm	150000 rpm
W 638	8 mm	28 mm	9 mm	3.97 N	1.96 N	67000 rpm	40000 rpm
W 637-2Z	7 mm	26 mm	9 mm	3.97 N	1.96 N	67000 rpm	32000 rpm
W 637-2RZ	7 mm	26 mm	9 mm	3.97 N	1.96 N	67000 rpm	32000 rpm
W 637-2RS1	7 mm	26 mm	9 mm	3.97 N	1.96 N	-	19000 rpm
W 637/9-2ZS	9 mm	14 mm	4.5 mm	0.52 N	0.236 N	95000 rpm	45000 rpm
W 637/9 R-2Z	9 mm	14 mm	4.5 mm	0.52 N	0.236 N	95000 rpm	45000 rpm
W 637/8-2ZS	8 mm	12 mm	3.5 mm	0.312 N	0.14 N	100000 rpm	50000 rpm
W 637/8-2Z	8 mm	12 mm	3.5 mm	0.312 N	0.14 N	100000 rpm	53000 rpm
W 637/8 XR	8 mm	14 mm	3.5 mm	0.462 N	0.193 N	95000 rpm	60000 rpm
W 637/8 X	8 mm	14 mm	3.5 mm	0.462 N	0.193 N	95000 rpm	60000 rpm
W 637/8 R-2ZS	8 mm	12 mm	3.5 mm	0.312 N	0.14 N	100000 rpm	50000 rpm