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7912DF
Basic parameters
Angular contact ball bearings
Series
7912DF
Model
Main Size(mm)
60
d
85
D
13
B
26
2 B
1
r smin 2
0.6
r 1smin 2
Rated base load
18.1
Dynamic load Cr/kN
17.4
Static load Cor/kN
1,840
Dynamic load Cr/kgf
1,780
Static load Cor/kgf
Allowable speed(rpm)
7,800
Grease lubrication
10,000
Oil lubrication
7912
Bearing number
Point of action(mm)
27.5
a
Mass(kg)
0.23
Single column(about)
Rated base load
29.3
Dynamic load Cr/(双列) kN
35.0
Static load Cor/( Double column ) kN
2,990
Dynamic load Cr/( Double column ) kgf
3,550
Static load Cor/( Double column ) kgf
Allowable speed(rpm)( Double column )
6,200
Grease lubrication
8,300
Oil lubrication
Bearing number
DB
DB
DF
DF
DT
DT
Installation relationship size(mm)
65.5
da minmum
65.5
db minmum
79.5
Da maximum
80.5
Db maximum
1
r as maximun
0.6
r 1as maximun
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