Schaeffler Product catalogue - medias
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HCB71912-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 60  mm   
D 85  mm   
B 13  mm   
a 23,4  mm   
Da 80,5  mm  Tolerance: H12
da 65  mm  Tolerance: h12
Etk max 70,1  mm   
Etk min 67,8  mm   
Etk1 max 70,1  mm   
Etk1 min 67,8  mm   
r1 min 1  mm   
ra max 0,6  mm   
ra1 max 0,3  mm   
rmin 1  mm   
α 25  °  Contact angle
m 0,159  kg  ≈ Mass
Cr 23400  N  Basic dynamic load rating, radial
C0r 14500  N  Basic static load rating, radial
Cur 1100  N  Fatigue limit load, radial
nG Fett 20000  1/min  Limiting speed for grease lubrication

The limiting speeds are based on elastically preloaded single bearings.
nG Öl 30000  1/min  Limiting speed for minimal quantity oil lubrication

The limiting speeds are based on elastically preloaded single bearings.
FV L 57  N  Preload force
FV M 303  N  Preload force
FV H 707  N  Preload force
KaE L 163  N  Lift-off force
KaE M 887  N  Lift-off force
KaE H 2118  N  Lift-off force
ca L 98,5  N/µm  Axial rigidity
ca M 179  N/µm  Axial rigidity
ca H 246  N/µm  Axial rigidity
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