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7907DB
Basic parameters
Angular contact ball bearings
Series
7907DB
Model
Main Size(mm)
35
d
55
D
10
B
20
2 B
0.6
r smin 2
0.3
r 1smin 2
Rated base load
12.0
Dynamic load Cr/kN
8.85
Static load Cor/kN
1,220
Dynamic load Cr/kgf
905
Static load Cor/kgf
Allowable speed(rpm)
13,000
Grease lubrication
17,000
Oil lubrication
7907
Bearing number
Point of action(mm)
18
a
Mass(kg)
0.088
Single column(about)
Rated base load
19.5
Dynamic load Cr/(双列) kN
17.7
Static load Cor/( Double column ) kN
1,990
Dynamic load Cr/( Double column ) kgf
1,810
Static load Cor/( Double column ) kgf
Allowable speed(rpm)( Double column )
10,000
Grease lubrication
13,000
Oil lubrication
Bearing number
DB
DB
DF
DF
DT
DT
Installation relationship size(mm)
39.5
da minmum
39.5
db minmum
50.5
Da maximum
52.5
Db maximum
0.6
r as maximun
0.3
r 1as maximun
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