one way clutch bearings 1.HF, HF..KF HF..R, HF..KFR with knurling 2.High precision,low noise , high speed ... 141216-HF 1616141622160,320,585007500HK 161218-HF 1816161824160,324,175007500HK 181220-HF 2016172026160,328,570006500HK 201025-HF 2520302532200,36655005500HK 251230-HF 3020363037200,39045004500HK 301235-HF 3520403542200 ...