Schaeffler Product catalogue - medias
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B7038-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 190  mm   
D 290  mm   
B 46  mm   
a 79  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 25  °  Contact angle
m 9,16  kg  ≈ Mass
Cr 243000  N  Basic dynamic load rating, radial
C0r 204000  N  Basic static load rating, radial
Cur 14000  N  Fatigue limit load, radial
nG Fett 4000  1/min  Limiting speed for grease lubrication

The limiting speeds are based on elastically preloaded single bearings.
nG Öl 6300  1/min  Limiting speed for minimal quantity oil lubrication

The limiting speeds are based on elastically preloaded single bearings.
FV L 2128  N  Preload force
FV M 7254  N  Preload force
FV H 15104  N  Preload force
KaE L 6172  N  Lift-off force
KaE M 21646  N  Lift-off force
KaE H 46379  N  Lift-off force
ca L 429  N/µm  Axial rigidity
ca M 678  N/µm  Axial rigidity
ca H 910  N/µm  Axial rigidity
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