INA NUKR47 Bearing Details： Bearing NameNUKR47 New ModelNUKR47 Old Model bearing product ModelNUKR47 CategoryTrack Rollers BrandINA Bearing Inner Diameter d ( mm ) 20 Outer Diameter D ( mm )47 Thickness B ( mm )66

INA PWKRE90.2RS Bearing Details： Bearing NamePWKRE90.2RS New ModelPWKRE90.2RS Old Model bearing product ModelPWKRE90.2RS CategoryTrack Rollers BrandINA Bearing Inner Diameter d ( mm ) 30 Outer Diameter D ( mm )90 Thickness B ( mm )100