Schaeffler Product catalogue - medias
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HCB71909-E-2RSD-T-P4S


Spindle bearings

adjusted, in pairs or sets, contact angle α = 25°, with ceramic balls, lip seals on both sides, non-contact, restricted tolerances

  
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Radial loadAxial load in one directionSealed on both sidesLifetime lubrication, freedom from maintenanceGrease 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
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.
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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