raw material:Gcr15
retainer:brass
roller:bearing steel
raw material:Gcr15
retainer:brass
roller:bearing steel
raw material:Gcr15
retainer:brass
roller:bearing steel
raw material:Gcr15
retainer:brass
roller:bearing steel
raw material:Gcr15
retainer:brass
roller:bearing steel
raw material:Gcr15
retainer:brass
roller:bearing steel
raw material:Gcr15
retainer:brass
roller:bearing steel
raw material:Gcr15
retainer:brass
roller:bearing steel
raw material:Gcr15
retainer:brass
roller:bearing steel
raw material:Gcr15
retainer:brass
roller:bearing steel
raw material:Gcr15
retainer:brass
roller:bearing steel
raw material:Gcr15
retainer:brass
roller:bearing steel