Schaeffler Product catalogue - medias
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B7222-E-T-P4S


Spindle bearings

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

  
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Radial loadAxial load in one directionNot sealedGrease lubricationOil lubrication
 
d 110  mm   
D 200  mm   
B 38  mm   
a 55,1  mm   
Da 183,5  mm  Tolerance: H12
da 126,5  mm  Tolerance: h12
Etk max 148,7  mm   
Etk min 139,7  mm   
Etk1 max 148,7  mm   
Etk1 min 139,7  mm   
r1 min 2,1  mm   
ra max 2,1  mm   
ra1 max 1  mm   
rmin 2,1  mm   
α 25  °  Contact angle
m 4,59  kg  ≈ Mass
Cr 156000  N  Basic dynamic load rating, radial
C0r 100000  N  Basic static load rating, radial
Cur 8500  N  Fatigue limit load, radial
nG Fett 6000  1/min  Limiting speed for grease lubrication

The limiting speeds are based on elastically preloaded single bearings.
nG Öl 9000  1/min  Limiting speed for minimal quantity oil lubrication

The limiting speeds are based on elastically preloaded single bearings.
FV L 1512  N  Preload force
FV M 4905  N  Preload force
FV H 10048  N  Preload force
KaE L 4410  N  Lift-off force
KaE M 14777  N  Lift-off force
KaE H 31257  N  Lift-off force
ca L 309  N/µm  Axial rigidity
ca M 484  N/µm  Axial rigidity
ca H 650  N/µm  Axial rigidity
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