30200 Series

30200 Series

30221J2

Description

Tapered roller bearings have tapered inner and outer raceways and rollers to handle simultaneous radial and thrust loads. Their axial load carrying capacity is directly related to the contact angle of the rollers and raceway shaft. 

They are available in single-row, double-row, and four-row designs. The individual parts of tapered roller bearings are commonly sold separately as cups and cones. Cones contain the roller assembly and inner ring while cups include the outer ring. Full assembly units contain both the cup and cone. As separable bearings, different designs and sizes are available to accommodate a variety of applications.


Dimension and Parameters

30200 Series 30200 Series
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