Bearings 1.High precision,long life 2.Quick delivery,good service 3.18 years supply bearing 4.ISO9001:9002 quality... Bearing , Ball Bearings , Thrust Ball BearingsFeathers & Specification of ATM thrust ball bearings: Brand Name: ATM Series: 51100,51200,51300,51400,53300,53400, Material: GCr15 GCr15SiMn ID Size: 110mm-1600mm Quality standard: ISO 9001:2000 standard Precision: P0 ,P6, P5 Clearance ...