... .OEMservice availability d.Gold model supplier Automotive water pump bearings are primarily used in water pump shaft bearing, basically consisting of standard ... : With two rows of balls; WIB, BWF, WS, WK, 885000 series, etc. 2) Ball-roller: With one row of balls, one ... row of rollers; WIR, WN, WKH, 665000 series, etc. Automotive water pump shaft bearing