... resistant 4. Sample is availa high quality water pump bearing for automobile IntroductionA water pump bearing is a device used to support ... , WS, WK, WIR,WN, WKH4) Ball-ball type: W series, W-S series, WS series, WK series5) Ball-Roller type: WN ... WNS series, With special featuresApplications : primarily used in automobile water pumpsSpecificationother products of our company if you are interested in ...