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What is the function of ordinary roller bearing

by:Waxing     2020-11-20
According to the purpose of the bearing points: (1) (2) railway bearing auto bearing (3) machine tool bearing (4) the aircraft engine bearing (5) according to the bearing of motor bearing use feature points (1) high temperature bearing (2) low temperature bearing (3) high-speed bearing bearing (5) and (4) vacuum magnetic bearing (6) corrosion bearing.
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