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medias® Home Rolling and plain bearings, accessories 313 31304
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Tapered roller bearings 31304

main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

Tapered roller bearings 31304, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs
Radial loadAxial load in one directionNot sealedGrease lubricationOil lubrication
Tapered roller bearings 31304, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs
 
d 20  mm 
   
D 52  mm 
   
T 16,25  mm 
   
 
a 16  mm 
   
B 15  mm 
   
C 11  mm 
   
Ca min 3  mm 
   
Cb min 5  mm 
   
Da max 45  mm 
   
Da min 40  mm 
   
Db min 48  mm 
   
d1 37,3  mm 
   
da max 27  mm 
   
db min 27  mm 
   
r1, 2 min 1,5  mm 
   
r3, 4 min 1,5  mm 
   
ra max 1,5  mm 
   
rb max 1,5  mm 
   
 
m 0,174  kg 
  Mass
Cr 30500  N 
  Basic dynamic load rating, radial
C0r 29500  N 
  Basic static load rating, radial
e 0,73 
   
Y 0,82 
   
Y0 0,45 
   
Cur 3300  N 
  Fatigue limit load, radial
nG 14900  1/min 
  Limiting speed
nB 8400  1/min 
  Reference speed