BrandIKO Item NumberRNAST45R IKO Technical details (R)R=With Crowned Outer Ring. Also known asRSTO45  CategorySupport Roller Inner (d) MM55 Outer (D) MM85 Width (B) MM19,8 Weight (kg)0.4470 Manufacturer Part Number (MPN)RNAST45R SealNo Seal Running SurfaceStandard