100x SS604-ZZ Ball Bearing 12mm x 4mm x 4mm Stainless Steel Premium QJZ NEW 2Z

描述

Inside Diameter d (mm) : 4Outside Dimensions D (mm) : 12Width B mm Closed Type : 4Rmin : 0.2D1 : 13.5Flange Width B1 Open Type : 1Flange Width B1 Closed Type : 1Dynamic Cr : 0.96Static Cor : 0.35Grease rpm : 48000Oil rpm : 56000Mass(kg) : 0.002