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Deep Groove Ball Bearing
Dimension and Parameters
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Pu
0.0056
-
Weight kg
0.0008
-
Designation
W639/3-2Z
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- Principal dimensions (mm)
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d
3
-
D
8
-
B
4
- Basic load ratings KN
-
dyc Cr
0.39
-
stc Cor
0.129
- Speed ratings rpm
-
Speed Ratings
150000
-
Limiting Speed
75000
- Dimensions mm
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d
3
-
d1 ~
4.4
-
D1 ~
7.3
-
r 1,2 Min
0.15
- Abutment and fillet dimensions mm
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d a Min
3.8
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Da Max
7.2
-
r a Max
0.1
- Value
-
k r
0.02
-
fo
9.5