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

Dimension and Parameters

Designation :31306J2/Q
Principal dimensions(mm)
d1 :30
D :72
B :20,75
Basic load ratings(KN)
dyc(Cr) :55
stc(Cor) :50
Pu :5,7
Speed ratings(rpm)
Speed Ratings :7500
Limiting Speed :9500
Weight(Kg) :0,39
ISO335 
Dimensions (ABMA) :7FB
Dimensions (mm)
d :30
d1~ :52,7
B :19
C :14
r1,2(min) :1,5
r3,4(min) :1,5
a :22
Abutment and fillet dimensions (mm)
da(max) :40
db(min) :37
Da(min) :55
Da(max) :65
Db(min) :68
Ca(min) :3
Cb(min) :6,5
ra(max) :1,5
rb(max) :1,5
Value
e :0,83
Y :0,72
Yo :0,4