... Steel ,Carbon steel,Stainless steelCage material Nylon ,steel , brass ClearanceC0,C2,C3,C4,C5VibrationZv1,Zv2 and Zv3Precision RatingP0,P6,P5GreeseAs you ... ShanghaiDetails1. Fast delivery2. Competitive price3. High quality and long life motorcycle thrust ball bearings 51104