Part Number:
d:
D:
B:
  • 31300 Series Tapered Roller Bearing
  • 31300 Series Tapered Roller Bearing

Dimension and Parameters

Designation :31305J2
Principal dimensions(mm)
d1 :25
D :62
B :18,25
Basic load ratings(KN)
dyc(Cr) :38
stc(Cor) :40
Pu :4,4
Speed ratings(rpm)
Speed Ratings :7500
Limiting Speed :11000
Weight(Kg) :0,26
ISO335 
Dimensions (ABMA) :7FB
Dimensions (mm)
d :25
d1~ :45,8
B :17
C :13
r1,2(min) :1,5
r3,4(min) :1,5
a :20
Abutment and fillet dimensions (mm)
da(max) :34
db(min) :32
Da(min) :47
Da(max) :55
Db(min) :59
Ca(min) :3
Cb(min) :5
ra(max) :1,5
rb(max) :1,5
Value
e :0,83
Y :0,72
Yo :0,4