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7203BDB
Basic parameters
Angular contact ball bearings
Series
7203BDB
Model
Main Size(mm)
17
d
40
D
12
B
24
2 B
0.6
r smin 2
0.3
r 1smin 2
Rated base load
11.0
Dynamic load Cr/kN
6.10
Static load Cor/kN
1,120
Dynamic load Cr/kgf
625
Static load Cor/kgf
Allowable speed(rpm)
17,000
Grease lubrication
22,000
Oil lubrication
7203B
Bearing number
Point of action(mm)
18
a
Mass(kg)
0.066
Single column(about)
Rated base load
17.9
Dynamic load Cr/(双列) kN
12.2
Static load Cor/( Double column ) kN
1,830
Dynamic load Cr/( Double column ) kgf
1,250
Static load Cor/( Double column ) kgf
Allowable speed(rpm)( Double column )
13,000
Grease lubrication
18,000
Oil lubrication
Bearing number
DB
DB
DF
DF
DT
DT
Installation relationship size(mm)
21.5
da minmum
19.5
db minmum
35.5
Da maximum
37.5
Db maximum
0.6
r as maximun
0.3
r 1as maximun
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