SKF 71903 ACE/HCP4A Angular Contact Ball Bearing

SKF

Product Code: 71903 ACE/HCP4A
Brand: SKF



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Description for SKF 71903 ACE/HCP4A Angular Contact Ball Bearing

Technical specification MetricImperial DIMENSIONS d 17 mmD 30 mmB 7 mmd1 21.1 mmd2 20.1 mmD1 25.9 mmr1,2min. 0.3 mmr3,4min. 0.15 mma 9.6 mm ABUTMENT DIMENSIONS damin. 19 mmdbmin. 19 mmDamax. 28 mmDbmax. 29.2 mmramax. 0.3 mmrbmax. 0.15 mmdn 22 mm CALCULATION DATA Basic dynamic load ratingC 3.19 kNBasic static load ratingC0 1.46 kNFatigue load limitPu 0.063 kNAttainable speed for grease lubrication 75000 r/minAttainable speed for oil-air lubrication 115000 r/minContact angle? 25 °Ball diameterDw 3.969 mmNumber of ballsz 13Reference grease quantityGref 0.2 cm³PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)Preload class AGA 29 NStatic axial stiffness, preload class A 39 N/µmPreload class BGB 87 NStatic axial stiffness, preload class B 61 N/µmPreload class CGC 175 NStatic axial stiffness, preload class C 79 N/µmCALCULATION FACTORSCalculation factorf 1.05Calculation factorf1 0.98Calculation factorf2A 1Calculation factorf2B 1.04Calculation factorf2C 1.08Calculation 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 0.014 kg

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