SKF 71904 ACE/HCP4A Angular Contact Ball Bearing

SKF

Product Code: 71904 ACE/HCP4A
Brand: SKF



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Description for SKF 71904 ACE/HCP4A Angular Contact Ball Bearing

Dimensions d 20mmD 37mmB 9mmd1 25.65mmd2 24.4mmD1 31.49mmr1,2min.0.3mmr3,4min.0.15mma 11.6mmAbutment dimensions damin.22mmdbmin.22mmDamax.35mmDbmax.36.2mmramax.0.3mmrbmax.0.15mmdn 26.7mmCalculation data Basic dynamic load ratingC 4.68kNBasic static load ratingC0 2.28kNFatigue load limitPu 0.098kNAttainable speed for grease lubrication  60000r/minAttainable speed for oil-air lubrication  95000r/minBall diameterDw 4.762mmNumber of ballsz 14 Reference grease quantityGref 0.5cm³Preload and stiffness (back-to-back, face-to-face)Preload class AGA 42NStatic axial stiffness, preload class A  52N/µmPreload class BGB 130NStatic axial stiffness, preload class B  76N/µmPreload class CGC 250NStatic axial stiffness, preload class C  98N/µmCalculation factorsCalculation factorf 1.04 Calculation factorf1 0.98 Calculation factorf2A 1 Calculation factorf2B 1.04 Calculation factorf2C 1.08 Calculation factorfHC 1.01 Calculation factore 0.68 Calculation factor (single, tandem)Y2 0.87 Calculation factor (single, tandem)Y0 0.38 Calculation factor (single, tandem)X2 0.41 Calculation factor (back-to-back, face-to-face)Y1 0.92 Calculation factor (back-to-back, face-to-face)Y2 1.41 Calculation factor (back-to-back, face-to-face)Y0 0.76 Calculation factor (back-to-back, face-to-face)X2 0.67 Mass Mass bearing  0.032kg

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