Inside Diameter d (mm) : 8 Outside Dimensions D (mm) : 22 Width B mm Open Type : 7 Width B mm Closed Type : 7 Rmin : 0.3 D1 : 25 Flange Width B1 Open Type : 1.5 Flange Width B1 Closed Type : 1.5 Dynamic Cr : 3.29 Static Cor : 1.36 Grease rpm : 34000 Oil rpm : 40000 Mass(kg) : 0.013 On Jan-28-19 at 13:41:16 PST, seller added the following information: