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

Dimension and Parameters

Designation :31318J2
Principal dimensions(mm)
d1 :90
D :190
B :46,5
Basic load ratings(KN)
dyc(Cr) :264
stc(Cor) :315
Pu :36,5
Speed ratings(rpm)
Speed Ratings :2400
Limiting Speed :3400
Weight(Kg) :5,90
ISO335 
Dimensions (ABMA) :7GB
Dimensions (mm)
d :90
d1~ :138
B :43
C :30
r1,2(min) :4
r3,4(min) :3
a :57
Abutment and fillet dimensions (mm)
da(max) :109
db(min) :105
Da(min) :151
Da(max) :176
Db(min) :179
Ca(min) :5
Cb(min) :16,5
ra(max) :3
rb(max) :2,5
Value
e :0,83
Y :0,72
Yo :0,4