Deep groove ball bearings:
Deep groove ball bearings have many series, there are Matric and Inch series, open, with seals, and with Metal Shields, the Precision should be ABEC-1, ABEC-2, abec-3, ABEC-5 and the Clearance should be C2, C0, C3, C4, C5 grade. Borine' Deep groove ball bearings are made with quality Chrome steel, are with low Nosie and low vibration value, high speed features, are basis on good quality and competitive prices.