... row bearings, We can supply all kinds of water pump bearing ball-ball and ball-roller. With ... The range of products: WB double-row ball water pump spindle bearings WR simple-row ball and simple ... contact) WR-C simple-row ball and simple roller water pump apindle bearings(four-point angular contact) 1) ... ball: With two rows of balls; WIB, BWF, WS, WK, 885000 series, etc. 2) Ball-roller: With one row ...