Angular contact ball bearings, super-precision. Width B: 12mm. Shoulder diameter inner ring (large side face) d1: 27.1mm. Shoulder diameter inner ring (small side face) d2: 27.1mm. Outer ring shoulder diameter (large side face) D1: 34.8mm. Chamfer dimension inner ring – large side face r1,2min: 0.6mm. Chamfer dimension outer ring – small side face r3,4min: 0.3mm. Distance pressure point a: 13.3mm. Abutment diameter shaft damming: 23.2mm. Abutment diameter shaft doming: 23.2mm. Abutment diameter housing Amax: 38.8mm. Abutment diameter housing Dumas: 40mm. Fillet radius remix: 0.6mm. Fillet radius remix: 0.3mm. Oil nozzle position den: 28.4mm. Basic dynamic load rating C: 8.3kN. Basic static load rating C0: 4.2kN. Fatigue load limit Pu: 0.173kN. Attainable speed for grease lubrication: 38000r/min. Attainable speed for oil-air lubrication: 60000r/min. Ball diameter Dew: 6.35mm. Number of balls z: 12. Reference grease quantity Graf: 0.9cm. Preload class A GA: 50N. Static axial stiffness, preload class A: 54N/m. Preload class B GB: 100N. Static axial stiffness, preload class B: 69N/m. Preload class C GC: 200N. Static axial stiffness, preload class C: 90N/m. Preload class D GD: 400N. Static axial stiffness, preload class D: 120N/m. Calk factor f: 1.03. Calk factor f1: 0.99. Calk factor f2A: 1. Calk factor f2B: 1.02. Calk factor f2C: 1.05. Calk factor f2D: 1.08. Calk factor face: 1. Calk factor e: 0.68. Calk factor (single, tandem) Y1: 0. Calk factor (single, tandem) Y2: 0.87. Calk factor (single, tandem) Y0: 0.38. Calk factor (single, tandem) X1: 1. Calk factor (single, tandem) X2: 0.41. Calk factor (single, tandem) X0: 0.5. Calk factor (back-to-back, face-to-face) Y1: 0.92. Calk factor (back-to-back, face-to-face) Y2: 1.41. Calk factor (back-to-back, face-to-face) Y0: 0.76. Calk factor (back-to-back, face-to-face) X1: 1. Calk factor (back-to-back, face-to-face) X2: 0.67. Calk factor (back-to-back, face-to-face) X0: 1.
