... 1,P0 3/16 inch ,4.763mm ball bearing steel balls,used for bearings ABEC-1,P0 high ... precision ,good quality ,fast delivery timechrome bearing steel ball1)material:AISI52100 GCr152)Size:1/8",1/4 ... - speed, low noise special bearing 4. Ball valves for liquid and gas etc.8)packing:inner ... packing:plastic bag/box for one gross outer packing:caton or steel drum inner packing and ...