●Races:Cr Mo ●Balls:Cr Mo (HRC 61-66) ●Retainer:Nylon ●Sealing:Rubber LLU (full contact) ●Grease: Multemp SRL (Kyodo Yushi) ●Tolerance:ABEC-3 ●Quantity of balls:28 pcs ●Dimension of balls:3.175mm(1/8) ●Basic dynamic load rating:3.500 k N ●Basic static load rating:3.100 k N