... YNN, OEM Features of water pump bearings shaft: Auto water pump bearings are combined bearings only for auto water pumps. This kind of bearings ... ; WIR, WN, WKH, 665000 series, etc. 2 Material of water pump bearing: Mainly the chrome Steel (GCr15) High-chrome steel ... bearings, self-aligning ball bearings, U-Joint bearings, Linear Bearings, Water pump bearings, etc.Please contact me if you have any ...