Schaeffler Product catalogue - medias
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HCB71909-E-T-P4S


Spindle bearings

adjusted, in pairs or sets, contact angle α = 25°, with ceramic balls, restricted tolerances

  
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Radial loadAxial load in one directionNot sealedGrease lubricationOil lubrication
 
d 45  mm   
D 68  mm   
B 12  mm   
a 19,2  mm   
Da 63,5  mm  Tolerance: H12
da 50  mm  Tolerance: h12
Etk max 54,5  mm   
Etk min 52,3  mm   
Etk1 max 54,5  mm   
Etk1 min 52,3  mm   
r1 min 0,6  mm   
ra max 0,6  mm   
ra1 max 0,15  mm   
rmin 0,6  mm   
α 25  °  Contact angle
m 0,108  kg  ≈ Mass
Cr 18200  N  Basic dynamic load rating, radial
C0r 10200  N  Basic static load rating, radial
Cur 820  N  Fatigue limit load, radial
nG Fett 26000  1/min  Limiting speed for grease lubrication

The limiting speeds are based on elastically preloaded single bearings.
nG Öl 40000  1/min  Limiting speed for minimal quantity oil lubrication

The limiting speeds are based on elastically preloaded single bearings.
FV L 42  N  Preload force
FV M 233  N  Preload force
FV H 547  N  Preload force
KaE L 121  N  Lift-off force
KaE M 682  N  Lift-off force
KaE H 1643  N  Lift-off force
ca L 78,5  N/µm  Axial rigidity
ca M 144  N/µm  Axial rigidity
ca H 200  N/µm  Axial rigidity
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