Schaeffler Product catalogue - medias
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B7004-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 20  mm   
D 42  mm   
B 12  mm   
a 10,2  mm   
Da 37  mm  Tolerance: H12
da 25  mm  Tolerance: h12
Etk max 29,3  mm   
Etk min 27,8  mm   
Etk1 max 29,3  mm   
Etk1 min 27,8  mm   
r1 min 0,6  mm   
ra max 0,6  mm   
ra1 max 0,3  mm   
rmin 0,6  mm   
α 15  °  Contact angle
m 0,067  kg  ≈ Mass
Cr 10300  N  Basic dynamic load rating, radial
C0r 4250  N  Basic static load rating, radial
Cur 450  N  Fatigue limit load, radial
nG Fett 38000  1/min  Limiting speed for grease lubrication

The limiting speeds are based on elastically preloaded single bearings.
nG Öl 60000  1/min  Limiting speed for minimal quantity oil lubrication

The limiting speeds are based on elastically preloaded single bearings.
FV L 51  N  Preload force
FV M 175  N  Preload force
FV H 356  N  Preload force
KaE L 157  N  Lift-off force
KaE M 586  N  Lift-off force
KaE H 1276  N  Lift-off force
ca L 22,6  N/µm  Axial rigidity
ca M 39,4  N/µm  Axial rigidity
ca H 56,8  N/µm  Axial rigidity
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