1.Excellent after- sale service 2.Good quality and reasonable price 3.Low noise 4.Durable 5.Beauty Deep Groove Ball BearingsDeep Groove Ball Bearing is the most representative rolling bearing,it can suffer from both axial and bidirectional ratial load.It can be used in these occasions with the demand of high rotation,low noise,and low oscillation.Bearing with seal together with steel cover of ...