Water pump bearings
|Modle Number||WIB1630121-WIB1630154, WIR1630102-WIR1630154, WIB1938117-WIB1938146|
Chrome steel, Gcr15
JAMA Individual Box
Water pump bearing divided into 2 types by internal features; double-race-ball type(ball/ball) and ball/roller type. Load resistance is the principal difference of "ball" from "roller". "Ball" locating on a "spot" excels in low noize at high speed. "Roller" in linear support endures more radial load and increases load rating. "Roller" is preferred in driving pulley and/or when a load, such as a fan coupling, is installed at off-set position in front.
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