Roller, Turning Parts (JG2260) Dalian Dedong Machinery Co., Ltd. Base Info Model NO.:JG2260Material Capabilities:Iron, Steel, Ss, etc.Finish:PolishingSize:AllTolerance:0.001-0.01mmTreatment:Hf Hardening, Annealing, Thermal Refining, etc.Origin:Liaoning, China Description Pre:500mm Four Point Contact Ball Bearing (010.30.500.12) Next:SKF Deep Groove Ball Bearing