... way clutch,without inner race. 1 CKB one way clutch Series freewheels are the same as B200,shaft mounted,so the ... which the clutch is mounted must be hardened to HRC56-60 and 1.5mm case depth after grinding. Grind to 0 ... ,WKB211,WKB212,WKB213+0to+0.035WKB214+0to+0.040 CKB series one way clutch