Schaeffler Product catalogue - medias
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B7030-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 150  mm   
D 225  mm   
B 35  mm   
a 42,6  mm   
Da 213  mm  Tolerance: H12
da 163  mm  Tolerance: h12
Etk max 181  mm   
Etk min 172,2  mm   
Etk1 max 181  mm   
Etk1 min 172,2  mm   
r1 min 2,1  mm   
ra max 2,1  mm   
ra1 max 1  mm   
rmin 2,1  mm   
α 15  °  Contact angle
m 4,04  kg  ≈ Mass
Cr 187000  N  Basic dynamic load rating, radial
C0r 137000  N  Basic static load rating, radial
Cur 10600  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 1104  N  Preload force
FV M 3443  N  Preload force
FV H 6843  N  Preload force
KaE L 3394  N  Lift-off force
KaE M 11397  N  Lift-off force
KaE H 24140  N  Lift-off force
ca L 156  N/µm  Axial rigidity
ca M 260  N/µm  Axial rigidity
ca H 367  N/µm  Axial rigidity
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