Deep groove ball bearings-Shandong Bofu Trading Co., Ltd

Part Number	d - Bore	D - Outer Diameter	B - Width	Cr - Dynamic Radial Rating	Cor - Static Radial Rating	Grease lubrication	Oil lubrication
639/2.5	2.5 mm	7 mm	2.5 mm	— N	— N	— rpm	— rpm
639/2.5-2Z	2.5 mm	7 mm	2.5 mm	— N	— N	— rpm	— rpm
639/3	3 mm	8 mm	3 mm	— N	— N	— rpm	— rpm
639/3-Z	3 mm	8 mm	3 mm	— N	— N	— rpm	— rpm
639/3-2Z	3 mm	8 mm	3 mm	— N	— N	— rpm	— rpm
639/4	4 mm	11 mm	4 mm	— N	— N	— rpm	— rpm
639/4-Z	4 mm	11 mm	4 mm	— N	— N	— rpm	— rpm
639/4-2Z	4 mm	11 mm	4 mm	— N	— N	— rpm	— rpm
639/5	5 mm	13 mm	5 mm	— N	— N	— rpm	— rpm
639/5-Z	5 mm	13 mm	5 mm	— N	— N	— rpm	— rpm
639/5-2Z	5 mm	13 mm	5 mm	— N	— N	— rpm	— rpm
639/6	6 mm	15 mm	5 mm	— N	— N	— rpm	— rpm
639/6-Z	6 mm	15 mm	5 mm	— N	— N	— rpm	— rpm
639/6-2Z	6 mm	15 mm	5 mm	— N	— N	— rpm	— rpm
629/7	7 mm	17 mm	6 mm	— N	— N	— rpm	— rpm
629/7-Z	7 mm	17 mm	6 mm	— N	— N	— rpm	— rpm
629/7-2Z	7 mm	17 mm	6 mm	— N	— N	— rpm	— rpm
629/8	8 mm	19 mm	6 mm	— N	— N	— rpm	— rpm
629/8-Z	8 mm	19 mm	6 mm	— N	— N	— rpm	— rpm
629/8-2Z	8 mm	19 mm	6 mm	— N	— N	— rpm	— rpm