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medias® Home Rolling and plain bearings, accessories 302 30228-A
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Tapered roller bearings 30228-A

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

Tapered roller bearings 30228-A, 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 30228-A, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs
 
d 140  mm 
   
D 250  mm 
   
T 45,75  mm 
   
 
a 48  mm 
   
B 42  mm 
   
C 36  mm 
   
Ca min 9  mm 
   
Cb min 9,5  mm 
   
Da max 236  mm 
   
Da min 219  mm 
   
Db min 234  mm 
   
d1 187  mm 
   
da max 163  mm 
   
db min 154  mm 
   
r1, 2 min 4  mm 
   
r3, 4 min 3  mm 
   
ra max 4  mm 
   
rb max 3  mm 
   
 
m 8,81  kg 
  Mass
Cr 415000  N 
  Basic dynamic load rating, radial
C0r 560000  N 
  Basic static load rating, radial
e 0,44 
   
Y 1,38 
   
Y0 0,76 
   
Cur 66000  N 
  Fatigue limit load, radial
nG 2850  1/min 
  Limiting speed
nB 2030  1/min 
  Reference speed
  T4FB140 
  Comparative designation to DIN ISO 355