Schaeffler Product catalogue - medias
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B7038-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 190  mm   
D 290  mm   
B 46  mm   
a 55,2  mm   
Da 274  mm  Tolerance: H12
da 206  mm  Tolerance: h12
Etk max 231,8  mm   
Etk min 220,9  mm   
Etk1 max 231,8  mm   
Etk1 min 220,9  mm   
r1 min 2,1  mm   
ra max 2,1  mm   
ra1 max 1  mm   
rmin 2,1  mm   
α 15  °  Contact angle
m 9,2  kg  ≈ Mass
Cr 255000  N  Basic dynamic load rating, radial
C0r 215000  N  Basic static load rating, radial
Cur 14700  N  Fatigue limit load, radial
nG Fett 4500  1/min  Limiting speed for grease lubrication

The limiting speeds are based on elastically preloaded single bearings.
nG Öl 7000  1/min  Limiting speed for minimal quantity oil lubrication

The limiting speeds are based on elastically preloaded single bearings.
FV L 1436  N  Preload force
FV M 4599  N  Preload force
FV H 9248  N  Preload force
KaE L 4377  N  Lift-off force
KaE M 15038  N  Lift-off force
KaE H 32154  N  Lift-off force
ca L 181  N/µm  Axial rigidity
ca M 302  N/µm  Axial rigidity
ca H 426  N/µm  Axial rigidity
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