Deep groove ball bearings-Sealed deep groove ball bearings,Motor bearings丨Oukai Bearing

Part Number	d - Bore	D - Outer Diameter	B - Width
W 639-2RS1	9 mm	30 mm	10 mm
W 639/3-2Z	3 mm	8 mm	4 mm
W 639/3-2RS1	3 mm	8 mm	4 mm
W 639/3 R-2Z	3 mm	8 mm	4 mm
W 639/3 R-2RS1	3 mm	8 mm	4 mm
W 639/2-2Z	2 mm	6 mm	3 mm
W 639/2.5-2ZS	2.5 mm	7 mm	3.5 mm
W 639/2.5 R-2ZS	2.5 mm	7 mm	3.5 mm
W 639/2 R-2Z	2 mm	6 mm	3 mm
W 639/1.5-2Z	1.5 mm	5 mm	2.6 mm
W 639/1.5 R-2Z	1.5 mm	5 mm	2.6 mm
W 639	9 mm	30 mm	10 mm
W 638-2Z	8 mm	28 mm	9 mm
W 638-2RZ	8 mm	28 mm	9 mm
W 638-2RS1	8 mm	28 mm	9 mm
W 63806-2Z	30 mm	42 mm	10 mm
W 63806-2RZ	30 mm	42 mm	10 mm
W 63806-2RS1	30 mm	42 mm	10 mm
W 63806 R-2Z	30 mm	42 mm	10 mm
W 63806 R	30 mm	42 mm	10 mm