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加强内部种族和橡胶密封两侧保持泥土。额外的深球槽防止侧向吹出局。快,光滑,强!Detroitbearingco.com
Stepped inner race and rubber seals on both sides keep the dirt out. Extra deep ball grooves prevent sideways blow outs. Fast, smooth, strong! Detroitbearingco.com
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