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Tapered Roller Bearing
Dimension and Parameters
-
Pu
7.8
-
Weight
0.52
-
Designation
*31307J2/Q
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ISO335 Dimensions (ABMA)
7FB
-
- Principal dimensions (mm)
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d
35
-
D
80
-
T
22.75
- Basic load ratings KN
-
dyc Cr
71
-
stc Cor
67
- Speed ratings rpm
-
Speed Ratings
6300
-
Limiting Speed
8500
- Dimensions mm
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d
35
-
d 1 ~
59.6
-
B
21
-
C
15
-
r 1,2 Min
2
-
r 3,4 Min
1.5
-
a
25
- Abutment and fillet dimensions mm
-
d a Max
45
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d b Min
44
-
Da Min
62
-
Da Max
71
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Db Min
76
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Ca Min
3
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Cb Min
7.5
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r a Max
2
-
r b Max
1.5
- Value
-
e
0.83
-
Y
0.72
-
Yo
0.4