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

Dimension and Parameters

Designation :31307J2/Q
Principal dimensions(mm)
d1 :35
D :80
B :22,75
Basic load ratings(KN)
dyc(Cr) :71
stc(Cor) :67
Pu :7,8
Speed ratings(rpm)
Speed Ratings :6300
Limiting Speed :8500
Weight(Kg) :0,52
ISO335 
Dimensions (ABMA) :7FB
Dimensions (mm)
d :35
d1~ :59,6
B :21
C :15
r1,2(min) :2
r3,4(min) :1,5
a :25
Abutment and fillet dimensions (mm)
da(max) :45
db(min) :44
Da(min) :62
Da(max) :71
Db(min) :76
Ca(min) :3
Cb(min) :7,5
ra(max) :2
rb(max) :1,5
Value
e :0,83
Y :0,72
Yo :0,4