We can offer all kinds of bearings for you, especially deep groove ball bearings and miniature ball bearings.Following are some information about our products:Material: chrome steel, stainless steel, carbon steel and ceramic;Bore size: 10~320mm;Tolerance: ABEC-1~ABEC-7;Noise level: Z1~Z4;Vibration: V1~V4;Grease: all kinds of grease; Seal: open, Z, ZZ, RS, 2RS, RZ.Packaging: Single box, plastic tube