SKF 7212 ACD/HCP4A Angular Contact Ball Bearing

SKF

Product Code: 7212 ACD/HCP4A
Brand: SKF



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Description for SKF 7212 ACD/HCP4A Angular Contact Ball Bearing

Technical specification MetricImperial DIMENSIONS d 60 mmD 110 mmB 22 mmd1 76.4 mmd2 76.4 mmD1 93.6 mmr1,2min. 1.5 mmr3,4min. 0.6 mma 30.9 mm ABUTMENT DIMENSIONS damin. 69 mmdbmin. 69 mmDamax. 101 mmDbmax. 105.8 mmramax. 1.5 mmrbmax. 0.6 mmdn 80.1 mm CALCULATION DATA Basic dynamic load ratingC 55.3 kNBasic static load ratingC0 45 kNFatigue load limitPu 1.37 kNAttainable speed for grease lubrication 14000 r/minAttainable speed for oil-air lubrication 22000 r/minContact angle? 25 °Ball diameterDw 14.288 mmNumber of ballsz 16Reference grease quantityGref 10.08 cm³PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)Preload class AGA 350 NStatic axial stiffness, preload class A 202 N/µmPreload class BGB 700 NStatic axial stiffness, preload class B 264 N/µmPreload class CGC 1400 NStatic axial stiffness, preload class C 349 N/µmPreload class DGD 2800 NStatic axial stiffness, preload class D 470 N/µmCALCULATION FACTORSCalculation factorf 1.07Calculation 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 0.69 kg

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