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7020DF
Basic parameters
Angular contact ball bearings
Series
7020DF
Model
Main Size(mm)
100
d
150
D
24
B
48
2 B
1.5
r smin 2
1
r 1smin 2
Rated base load
68.5
Dynamic load Cr/kN
70.5
Static load Cor/kN
6,950
Dynamic load Cr/kgf
7,200
Static load Cor/kgf
Allowable speed(rpm)
4,400
Grease lubrication
5,800
Oil lubrication
7020
Bearing number
Point of action(mm)
48
a
Mass(kg)
1.47
Single column(about)
Rated base load
111
Dynamic load Cr/(双列) kN
141
Static load Cor/( Double column ) kN
11,300
Dynamic load Cr/( Double column ) kgf
14,400
Static load Cor/( Double column ) kgf
Allowable speed(rpm)( Double column )
3,500
Grease lubrication
4,600
Oil lubrication
Bearing number
DB
DB
DF
DF
DT
DT
Installation relationship size(mm)
108.5
da minmum
108.5
db minmum
141.5
Da maximum
144.5
Db maximum
1.5
r as maximun
1
r 1as maximun
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