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medias® Home Rolling and plain bearings, accessories 313 31305-A
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Tapered roller bearings 31305-A

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

Tapered roller bearings 31305-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 31305-A, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs
 
d 25  mm 
   
D 62  mm 
   
T 18,25  mm 
   
 
a 20  mm 
   
B 17  mm 
   
C 13  mm 
   
Ca min 3  mm 
   
Cb min 5  mm 
   
Da max 55  mm 
   
Da min 47  mm 
   
Db min 59  mm 
   
d1 46,3  mm 
   
da max 34  mm 
   
db min 32  mm 
   
r1, 2 min 1,5  mm 
   
r3, 4 min 1,5  mm 
   
ra max 1,5  mm 
   
rb max 1,5  mm 
   
 
m 0,297  kg 
  Mass
Cr 37000  N 
  Basic dynamic load rating, radial
C0r 38500  N 
  Basic static load rating, radial
e 0,83 
   
Y 0,73 
   
Y0 0,4 
   
Cur 4400  N 
  Fatigue limit load, radial
nG 12000  1/min 
  Limiting speed
nB 7200  1/min 
  Reference speed
  T7FB025 
  Comparative designation to DIN ISO 355