... cross-section and stiffness. They are especially suitable for bearing arrangements where radial space is limited. Shaft DiameterBearingDesignationBoundaryDimensions mmOpen ... engineering and printing machinery, machine tools,etc.3.Supply Needle roller Bearings mainly with BK HK TA TLA SCE Drawn cup ... k, k...zw, knl, kzk, kbk) Entity bushed needle roller bearing(RNA, NK, NA, NKI, NKS, NKIS, NA...RS, NA ...