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( 14 )mm
( 15.9 )mm
( 17.5 )mm
( 19 )mm
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( 30.2 )mm
( 33.3 )mm
( 34.9 )mm
( 36.5 )mm
( 39.7 )mm
( 44.4 )mm
( 49.2 )mm
( 54 )mm
双列角接触球轴承
密封双列角接触球轴承d 10-60mm