베어링, 롤러(수정된 경우)의 롤링 요소를 간격을 두고 고정하는 프레임 또는 인클로저입니다.
155 light weight howitzer end item identification, material steal hardened bearing needle thrust assembly provide low friction drive between 2 shafts of 120 degrees minimum mass 359g basic load rating dynamic 73000n static 405000n limited speed 2700rpm reference speed 750rpm and temperature range -40 centigrade to + 120 centigrade special features