1.Well performance 2.Low noise and Long life 3.High spreed 4.High precision and durability 5.Competitive price Description: 1. The single row deep groove ball bearings common type is with the shield. 2. The deep groove ball bearings consisit of 2 machined and polished groovedraceways(inner&outer rings), guilding a number of appropriate balls, seperated by a cage. 3. This type bearings mainly take ...