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Tapered Roller Bearing
Dimension and Parameters
-
Pu
21.6
-
Weight
2.05
-
Designation
72212/2/72487/2/Q
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Series
72000
-
- Principal dimensions (mm)
-
d
53.975
-
D
123.825
-
T
36.512
- Basic load ratings KN
-
dyc Cr
147
-
stc Cor
180
- Speed ratings rpm
-
Speed Ratings
3800
-
Limiting Speed
5600
- Dimensions mm
-
d
53.975
-
d 1 ~
88.8
-
B
32.791
-
C
25.4
-
r 1,2 Min
3.5
-
r 3,4 Min
3.3
-
a
36
- Abutment and fillet dimensions mm
-
d a Max
68
-
d b Min
65.5
-
Da Min
93
-
Da Max
113
-
Db Min
114
-
Ca Min
5
-
Cb Min
11
-
r a Max
3
-
r b Max
3
- Value
-
e
0.75
-
Y
0.8
-
Yo
0.45