SKF 7009 ACEGB/P4A Angular Contact Ball Bearing Super-Precision

Angular contact ball bearings, super-precision. Width B: 16mm. Shoulder diameter inner ring (large side face) d1: 55.7mm. Shoulder diameter inner ring (small side face) d2: 53.6mm. Outer ring shoulder diameter (large side face) D1: 64.25mm. Chamfer dimension inner ring - large side face r1,2min: 1mm. Chamfer dimension outer ring - small side face r3,4min: 0.6mm. Distance pressure point a: 22.2mm. Abutment diameter shaft damming: 49.6mm. Abutment diameter shaft doming: 49.6mm. Abutment diameter housing Amax: 70.4mm. Abutment diameter housing Dumas: 70.8mm. Fillet radius remix: 1mm. Fillet radius remix: 0.6mm. Oil nozzle position den: 57.6mm. Basic dynamic load rating C: 12.1kN. Basic static load rating C0: 8.2kN. Fatigue load limit Pu: 0.345kN. Attainable speed for grease lubrication: 24000r/min. Attainable speed for oil-air lubrication: 37000r/min. Ball diameter Dew: 7.144mm. Number of balls z: 21. Reference grease quantity Graf: 3.4cm. Preload class A GA: 110N. Static axial stiffness, preload class A: 94N/m. Preload class B GB: 330N. Static axial stiffness, preload class B: 140N/m. Preload class C GC: 660N. Static axial stiffness, preload class C: 183N/m. Calculation factor f: 1.06. Calculation factor f1: 0.99. Calculation factor f2A: 1. Calculation factor f2B: 1.03. Calculation factor f2C: 1.06. Calculation factor face: 1. Calculation factor e: 0.68. Calculation factor (single, tandem) Y1: 0. Calculation factor (single, tandem) Y2: 0.87. Calculation factor (single, tandem) Y0: 0.38. Calculation factor (single, tandem) X1: 1. Calculation factor (single, tandem) X2: 0.41. Calculation factor (single, tandem) X0: 0.5. Calculation factor (back-to-back, face-to-face) Y1: 0.92. Calculation factor (back-to-back, face-to-face) Y2: 1.41. Calculation factor (back-to-back, face-to-face) Y0: 0.76. Calculation factor (back-to-back, face-to-face) X1: 1. Calculation factor (back-to-back, face-to-face) X2: 0.67. Calculation factor (back-to-back, face-to-face) X0: 1.