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Automotive water pump bearings are primarily used in electric water pump bearing, basically consisting of standard double row bearings. These bearings are available in two main types: 1) Ball-ball: 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 electric water pump bearing