SKF 728 ACD/HCP4A Angular Contact Ball Bearing
SKF
Product Code: 728 ACD/HCP4A
Brand: SKF
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Description for SKF 728 ACD/HCP4A Angular Contact Ball Bearing
Technical specification MetricImperial DIMENSIONS d 8 mmD 24 mmB 8 mmd1 13.1 mmd2 13.1 mmD1 18.9 mmr1,2min. 0.3 mmr3,4min. 0.2 mma 7.8 mm ABUTMENT DIMENSIONS damin. 10.4 mmdbmin. 10.4 mmDamax. 21.6 mmDbmax. 22.2 mmramax. 0.3 mmrbmax. 0.2 mmdn 14.3 mm CALCULATION DATA Basic dynamic load ratingC 3.58 kNBasic static load ratingC0 1.34 kNFatigue load limitPu 0.04 kNAttainable speed for grease lubrication 75000 r/minAttainable speed for oil-air lubrication 120000 r/minContact angle? 25 °Ball diameterDw 4.762 mmNumber of ballsz 8Reference grease quantityGref 0.228 cm³PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)Preload class AGA 22 NStatic axial stiffness, preload class A 31 N/µmPreload class BGB 44 NStatic axial stiffness, preload class B 40 N/µmPreload class CGC 88 NStatic axial stiffness, preload class C 53 N/µmPreload class DGD 176 NStatic axial stiffness, preload class D 70 N/µmCALCULATION FACTORSCalculation factorf 1.02Calculation 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 0.015 kgRecommended Products For SKF