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Tapered Roller Bearing
Dimension and Parameters
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Pu
4.4
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Weight
0.26
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Designation
31305J2
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ISO335 Dimensions (ABMA)
7FB
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- Principal dimensions (mm)
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d
25
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D
62
-
T
18.25
- Basic load ratings KN
-
dyc Cr
38
-
stc Cor
40
- Speed ratings rpm
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Speed Ratings
7500
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Limiting Speed
11000
- Dimensions mm
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d
25
-
d 1 ~
45.8
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B
17
-
C
13
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r 1,2 Min
1.5
-
r 3,4 Min
1.5
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a
20
- Abutment and fillet dimensions mm
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d a Max
34
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d b Min
32
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Da Min
47
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Da Max
55
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Db Min
59
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Ca Min
3
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Cb Min
5
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r a Max
1.5
-
r b Max
1.5
- Value
-
e
0.83
-
Y
0.72
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Yo
0.4