30200 Series

30221J2

  • 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 :30221J2
Principal dimensions(mm)
d1 :105
D :190
B :39
Basic load ratings(KN)
dyc(Cr) :270
stc(Cor) :355
Pu :40
Speed ratings(rpm)
Speed Ratings :2600
Limiting Speed :3400
Weight(Kg) :4,25
ISO335 
Dimensions (ABMA) :3FB
Dimensions (mm)
d :105
d1~ :141
B :36
C :30
r1,2(min) :3
r3,4(min) :2,5
a :37
Abutment and fillet dimensions (mm)
da(max) :123
db(min) :117
Da(min) :165
Da(max) :178
Db(min) :177
Ca(min) :6
Cb(min) :9
ra(max) :2,5
rb(max) :2
Value
e :0,43
Y :1,4
Yo :0,8
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