SKF 7211 ACD/HCP4A Angular Contact Ball Bearing

SKF

Product Code: 7211 ACD/HCP4A
Brand: SKF



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Description for SKF 7211 ACD/HCP4A Angular Contact Ball Bearing

Technical specification MetricImperial DIMENSIONS d 55 mmD 100 mmB 21 mmd1 68.9 mmd2 68.9 mmD1 86.1 mmr1,2min. 1.5 mmr3,4min. 0.6 mma 28.7 mm ABUTMENT DIMENSIONS damin. 64 mmdbmin. 64 mmDamax. 91 mmDbmax. 95.8 mmramax. 1.5 mmrbmax. 0.6 mmdn 72.6 mm CALCULATION DATA Basic dynamic load ratingC 52.7 kNBasic static load ratingC0 40.5 kNFatigue load limitPu 1.27 kNAttainable speed for grease lubrication 15000 r/minAttainable speed for oil-air lubrication 24000 r/minContact angle? 25 °Ball diameterDw 14.288 mmNumber of ballsz 15Reference grease quantityGref 8.595 cm³PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)Preload class AGA 330 NStatic axial stiffness, preload class A 191 N/µmPreload class BGB 660 NStatic axial stiffness, preload class B 248 N/µmPreload class CGC 1320 NStatic axial stiffness, preload class C 329 N/µmPreload class DGD 2640 NStatic axial stiffness, preload class D 443 N/µmCALCULATION FACTORSCalculation factorf 1.08Calculation 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 0.51 kg

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