Schaeffler Product catalogue - medias
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B7224-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 120  mm   
D 215  mm   
B 40  mm   
a 42,4  mm   
Da 195  mm  Tolerance: H12
da 140  mm  Tolerance: h12
Etk max 159,7  mm   
Etk min 148,4  mm   
Etk1 max 159,7  mm   
Etk1 min 148,4  mm   
r1 min 2,1  mm   
ra max 2,1  mm   
ra1 max 1  mm   
rmin 2,1  mm   
α 15  °  Contact angle
m 5,3  kg  ≈ Mass
Cr 205000  N  Basic dynamic load rating, radial
C0r 138000  N  Basic static load rating, radial
Cur 11300  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 1259  N  Preload force
FV M 3882  N  Preload force
FV H 7683  N  Preload force
KaE L 3878  N  Lift-off force
KaE M 12884  N  Lift-off force
KaE H 27179  N  Lift-off force
ca L 139  N/µm  Axial rigidity
ca M 231  N/µm  Axial rigidity
ca H 326  N/µm  Axial rigidity
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