SKF 7208 ACD/HCP4A Angular Contact Ball Bearing

SKF

Product Code: 7208 ACD/HCP4A
Brand: SKF



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Description for SKF 7208 ACD/HCP4A Angular Contact Ball Bearing

Technical specification MetricImperial DIMENSIONS d 40 mmD 80 mmB 18 mmd1 53.3 mmd2 53.3 mmD1 66.7 mmr1,2min. 1.1 mmr3,4min. 0.6 mma 23.1 mm ABUTMENT DIMENSIONS damin. 47 mmdbmin. 47 mmDamax. 73 mmDbmax. 75.8 mmramax. 1 mmrbmax. 0.6 mmdn 56.2 mm CALCULATION DATA Basic dynamic load ratingC 31.9 kNBasic static load ratingC0 22.8 kNFatigue load limitPu 0.71 kNAttainable speed for grease lubrication 19000 r/minAttainable speed for oil-air lubrication 32000 r/minContact angle? 25 °Ball diameterDw 11.112 mmNumber of ballsz 14Reference grease quantityGref 4.725 cm³PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)Preload class AGA 200 NStatic axial stiffness, preload class A 141 N/µmPreload class BGB 400 NStatic axial stiffness, preload class B 183 N/µmPreload class CGC 800 NStatic axial stiffness, preload class C 242 N/µmPreload class DGD 1600 NStatic axial stiffness, preload class D 326 N/µmCALCULATION FACTORSCalculation factorf 1.05Calculation factorf1 0.99Calculation factorf2A 1Calculation factorf2B 1.01Calculation factorf2C 1.03Calculation factorf2D 1.06Calculation factorfHC 1.01Calculation factore 0.68Calculation factor (single, tandem)Y2 0.87Calculation factor (single, tandem)Y0 0.38Calculation factor (single, tandem)X2 0.41Calculation factor (back-to-back, face-to-face)Y1 0.92Calculation factor (back-to-back, face-to-face)Y2 1.41Calculation factor (back-to-back, face-to-face)Y0 0.76Calculation factor (back-to-back, face-to-face)X2 0.67 MASS Mass bearing 0.33 kg

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