30200 Series

30238J2

  • 30200 Series
  • 30200 Series
  • 30200 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 :30238J2
Principal dimensions(mm)
d1 :190
D :340
B :60
Basic load ratings(KN)
dyc(Cr) :721
stc(Cor) :1000
Pu :95
Speed ratings(rpm)
Speed Ratings :1400
Limiting Speed :1800
Weight(Kg) :24,0
ISO335 
Dimensions (ABMA) :4GB
Dimensions (mm)
d :190
d1~ :254
B :55
C :46
r1,2(min) :5
r3,4(min) :4
a :63
Abutment and fillet dimensions (mm)
da(max) :224
db(min) :210
Da(min) :298
Da(max) :323
Db(min) :318
Ca(min) :9
Cb(min) :14
ra(max) :4
rb(max) :3
Value
e :0,43
Y :1,4
Yo :0,8
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