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

Dimension and Parameters

Designation :31309J2/QCL7C
Principal dimensions(mm)
d1 :45
D :100
B :27,25
Basic load ratings(KN)
dyc(Cr) :106
stc(Cor) :102
Pu :12,5
Speed ratings(rpm)
Speed Ratings :5000
Limiting Speed :6700
Weight(Kg) :0,95
ISO335 
Dimensions (ABMA) :7FB
Dimensions (mm)
d :45
d1~ :74,7
B :25
C :18
r1,2(min) :2
r3,4(min) :1,5
a :31
Abutment and fillet dimensions (mm)
da(max) :57
db(min) :53
Da(min) :79
Da(max) :91
Db(min) :95
Ca(min) :4
Cb(min) :9
ra(max) :2
rb(max) :1,5
Value
e :0,83
Y :0,72
Yo :0,4