• 31300 Series
  • 31300 Series

Description

Tapered roller bearings feature a cup and cone assembly. The cup is comprised of the outer ring and the cone assembly consists of inner ring, rollers, and cage. This bearing construction accommodates combined loads and provides low friction during operation. By adjusting one single row tapered roller bearing against a second tapered roller bearing and applying a preload, a rigid bearing application can be achieved.

Dimension and Parameters

Designation :31328XJ2
Principal dimensions(mm)
d1 :140
D :300
B :77
Basic load ratings(KN)
dyc(Cr) :693
stc(Cor) :900
Pu :88
Speed ratings(rpm)
Speed Ratings :1500
Limiting Speed :2200
Weight(Kg) :24,5
ISO335 
Dimensions (ABMA) :7GB
Dimensions (mm)
d :140
d1~ :219
B :70
C :47
r1,2(min) :5
r3,4(min) :4
a :90
Abutment and fillet dimensions (mm)
da(max) :169
db(min) :160
Da(min) :235
Da(max) :283
Db(min) :280
Ca(min) :9
Cb(min) :30
ra(max) :4
rb(max) :3
Value
e :0,83
Y :0,72
Yo :0,4