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7309B
Basic parameters
Angular contact ball bearings
Series
7309B
Model
Main Size(mm)
45
d
100
D
25
B
50
2 B
1.5
r smin 2
1
r 1smin 2
Rated base load
58.5
Dynamic load Cr/kN
40.0
Static load Cor/kN
5,950
Dynamic load Cr/kgf
4,100
Static load Cor/kgf
Allowable speed(rpm)
6,600
Grease lubrication
8,900
Oil lubrication
7309B
Bearing number
Point of action(mm)
43.0
a
Mass(kg)
0.854
Single column(about)
Rated base load
95.0
Dynamic load Cr/(双列) kN
80.5
Static load Cor/( Double column ) kN
9,650
Dynamic load Cr/( Double column ) kgf
8,250
Static load Cor/( Double column ) kgf
Allowable speed(rpm)( Double column )
5,400
Grease lubrication
7,200
Oil lubrication
Bearing number
DB
DB
DF
DF
DT
DT
Installation relationship size(mm)
53.5
da minmum
50.5
db minmum
91.5
Da maximum
94.5
Db maximum
1.5
r as maximun
1
r 1as maximun
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