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68 Series > 687
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687
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Description
Designation
With shiled
:
687
Open type
:
687ZZ1
With seal VV
:
687VV
With seal DD
:
687DD
Principal dimensions（mm）
d
:
7
D
:
14
B
:
3.5
B1
:
5
r(min)
:
0.15
Basic load ratings(N)
Cr
:
1170
Cor
:
510
Basic load ratings{kgf}
Cr
:
120
Cor
:
52
Speed ratings(rpm)
Grease
ZZ
:
40000
D·D
:
34000
Oil
Z
:
45000
Abutment and fillet dimensions (mm)
da(min)
:
8.2
db(max)
:
8.5
Da(Max)
:
12.8
Db(min)
:
12.7
ra(max)
:
0.15
rb(max)
:
0.15
Weight(g)
Open type
:
2.13
With shiled
:
2.97
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0086 166 7811 8242
info@jfzbearing.com
