●Races:Cr Mo ●Balls:Cr Mo (HRC 61-66) ●Retainer:non (full ball bearing) ●Sealing:Rubber LLU (full contact) ●Grease: Multemp SRL (Kyodo Yushi) ●Tolerance:ABEC-3 ●Quantity of balls:18 pcs ●Dimension of balls:2.381mm(3/32) ●Basic dynamic load rating:1.590 k N ●Basic static load rating:0.750 k N