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7212BDB
Basic parameters
Angular contact ball bearings
Series
7212BDB
Model
Main Size(mm)
60
d
110
D
22
B
44
2 B
1.5
r smin 2
1
r 1smin 2
Rated base load
56.0
Dynamic load Cr/kN
44.5
Static load Cor/kN
5,700
Dynamic load Cr/kgf
4,550
Static load Cor/kgf
Allowable speed(rpm)
5,700
Grease lubrication
7,600
Oil lubrication
7212B
Bearing number
Point of action(mm)
47.5
a
Mass(kg)
0.78
Single column(about)
Rated base load
91.0
Dynamic load Cr/(双列) kN
89.0
Static load Cor/( Double column ) kN
9,250
Dynamic load Cr/( Double column ) kgf
9,100
Static load Cor/( Double column ) kgf
Allowable speed(rpm)( Double column )
4,600
Grease lubrication
6,100
Oil lubrication
Bearing number
DB
DB
DF
DF
DT
DT
Installation relationship size(mm)
68.5
da minmum
65.5
db minmum
101.5
Da maximum
104.5
Db maximum
1.5
r as maximun
1
r 1as maximun
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