31300 Series

31330XJ2

  • 31300 Series
  • 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.

Tapered toller bearing have four types :

1.Single row tapered roller bearing

2.Matched tapered roller bearing

3.Double-row tapered roller bearing 

4.Four-row tapered roller bearing 


Dimension and Parameters

Designation :31330XJ2
Principal dimensions(mm)
d1 :150
D :320
B :82
Basic load ratings(KN)
dyc(Cr) :781
stc(Cor) :1020
Pu :100
Speed ratings(rpm)
Speed Ratings :1400
Limiting Speed :2000
Weight(Kg) :29,5
ISO335 
Dimensions (ABMA) :7GB
Dimensions (mm)
d :150
d1~ :234
B :75
C :50
r1,2(min) :5
r3,4(min) :4
a :96
Abutment and fillet dimensions (mm)
da(max) :181
db(min) :170
Da(min) :251
Da(max) :303
Db(min) :300
Ca(min) :9
Cb(min) :32
ra(max) :4
rb(max) :3
Value
e :0,83
Y :0,72
Yo :0,4
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