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7211BDT
Basic parameters
Angular contact ball bearings
Series
7211BDT
Model
Main Size(mm)
55
d
100
D
21
B
42
2 B
1.5
r smin 2
1
r 1smin 2
Rated base load
46.5
Dynamic load Cr/kN
36.0
Static load Cor/kN
4,700
Dynamic load Cr/kgf
3,700
Static load Cor/kgf
Allowable speed(rpm)
6,100
Grease lubrication
8,200
Oil lubrication
7211B
Bearing number
Point of action(mm)
43
a
Mass(kg)
0.612
Single column(about)
Rated base load
75.0
Dynamic load Cr/(双列) kN
72.0
Static load Cor/( Double column ) kN
7,650
Dynamic load Cr/( Double column ) kgf
7,350
Static load Cor/( Double column ) kgf
Allowable speed(rpm)( Double column )
5,000
Grease lubrication
6,600
Oil lubrication
Bearing number
DB
DB
DF
DF
DT
DT
Installation relationship size(mm)
63.5
da minmum
60.5
db minmum
91.5
Da maximum
94.5
Db maximum
1.5
r as maximun
1
r 1as maximun
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