Ceramic bearings Si3N4. Bearing cage PTFE. Version: Natural, black. Note: For most applications Si3N4 is the preferred material for ceramic bearings. ...NovoNox
Full ceramic uc204 20mm mounted bearing, the inner diameter is 20mm, outer diameter is 47mm and the width of the inner race is 31mm, the width of the ...Qopher Bearing Southwest Limited Liability Company
High quality ceramic bearings for higher performance Ceramics are harder than steel, so they have less rolling resistence Ceramics are more round ...St John St Cycles
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