31300 Series

31324XJ2

  • 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 :31324XJ2
Principal dimensions(mm)
d1 :120
D :260
B :68
Basic load ratings(KN)
dyc(Cr) :539
stc(Cor) :695
Pu :73,5
Speed ratings(rpm)
Speed Ratings :1700
Limiting Speed :2400
Weight(Kg) :15,5
ISO335 
Dimensions (ABMA) :7GB
Dimensions (mm)
d :120
d1~ :190
B :62
C :42
r1,2(min) :4
r3,4(min) :3
a :78
Abutment and fillet dimensions (mm)
da(max) :145
db(min) :135
Da(min) :203
Da(max) :245
Db(min) :244
Ca(min) :9
Cb(min) :26
ra(max) :3
rb(max) :2,5
Value
e :0,83
Y :0,72
Yo :0,4
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