Schaeffler Product catalogue - medias
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B7011-C-T-P4S


Spindle bearings

adjusted, in pairs or sets, contact angle α = 15°, restricted tolerances

  
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Radial loadAxial load in one directionNot sealedGrease lubricationOil lubrication
 
d 55  mm   
D 90  mm   
B 18  mm   
a 18,7  mm   
Da 83  mm  Tolerance: H12
da 62  mm  Tolerance: h12
Etk max 69,6  mm   
Etk min 65,9  mm   
Etk1 max 69,6  mm   
Etk1 min 65,9  mm   
r1 min 1,1  mm   
ra max 1  mm   
ra1 max 0,6  mm   
rmin 1,1  mm   
α 15  °  Contact angle
m 0,371  kg  ≈ Mass
Cr 38500  N  Basic dynamic load rating, radial
C0r 22100  N  Basic static load rating, radial
Cur 2340  N  Fatigue limit load, radial
nG Fett 16000  1/min  Limiting speed for grease lubrication

The limiting speeds are based on elastically preloaded single bearings.
nG Öl 24000  1/min  Limiting speed for minimal quantity oil lubrication

The limiting speeds are based on elastically preloaded single bearings.
FV L 205  N  Preload force
FV M 670  N  Preload force
FV H 1344  N  Preload force
KaE L 635  N  Lift-off force
KaE M 2253  N  Lift-off force
KaE H 4837  N  Lift-off force
ca L 61,4  N/µm  Axial rigidity
ca M 106  N/µm  Axial rigidity
ca H 151  N/µm  Axial rigidity
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