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

Dimension and Parameters

Designation :31308J2/QCL7C
Principal dimensions(mm)
d1 :40
D :90
B :25,25
Basic load ratings(KN)
dyc(Cr) :85
stc(Cor) :81,5
Pu :9,5
Speed ratings(rpm)
Speed Ratings :5600
Limiting Speed :7500
Weight(Kg) :0,72
ISO335 
Dimensions (ABMA) :7FB
Dimensions (mm)
d :40
d1~ :67,1
B :23
C :17
r1,2(min) :2
r3,4(min) :1,5
a :28
Abutment and fillet dimensions (mm)
da(max) :51
db(min) :49
Da(min) :71
Da(max) :81
Db(min) :86
Ca(min) :3
Cb(min) :8
ra(max) :2
rb(max) :1,5
Value
e :0,83
Y :0,72
Yo :0,4