Needle roller / thrust rolling bearings Design: Needle roller / thrust ball bearings. Diameter under rollers Fw: 12mm. Outside diameter D: 21mm. Width outer ring C: 23mm. Height ThBB (without centring flange or radial bearing part) C1: 9mm. Distance from flange side face to lubrication hole (fcThBB) C1: 6.5mm. Distance from flange side face to lubrication hole (ThBB) C2: 6.5mm. Bore diameter (ThBB) d: 12mm. Outside diameter flange (NKX) D1: 26.1mm. Chamfer dimension outer ring r1,2min: 0.3mm. Abutment diameter shaft damin: 21.7mm. Fillet radius ramax: 0.3mm. Fillet radius (ThBB) rbmax: 0.3mm. Bore diameter appropriate inner ring di: 9mm. Raceway diameter inner ring F: 12mm. Width appropriate inner ring Bi: 16mm. Basic dynamic load rating, radial direction C: 9.1kN. Basic static load rating, radial direction C0: 12kN. Basic dynamic load rating, axial direction C: 10.4kN. Basic static load rating, axial direction C0: 16.6kN. Fatigue load limit, radial direction Pu: 1.4kN. Fatigue load limit, axial direction Pu: 0.62kN. Reference speed: 9000r/min. Limiting speed: 13000r/min. Inner ring: IR 9x12x16.