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7200 Series > 7220A
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7220A
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Description
Bearing Numbers
Single row
:
7220A
DB
:
7220DB
DF
:
7220DF
DT
:
7220DT
Principal dimensions(mm)
d
:
100
D
:
180
B
:
34
r(min)
:
2.1
r1(min)
:
1.1
Basic load ratings(N)
Cr
:
144000
Cor
:
126000
Basic load ratings(kgf)
Cr
:
14700
Cor
:
12800
Value
fo
:
15
Limiting Speed (rpm)
Grease
:
4000
Oil
:
5300
Distance of action point(mm)
a
:
57.4
Abutment and fillet dimensions
da(min)
:
112
Da(max)
:
168
ra(max)
:
2
Weight
(kg)
:
3.22
Basic load ratings(duplex bearing) (N)
Cr
:
233000
Cor
:
251000
Basic load ratings(duplex bearing) (kgf)
Cr
:
23800
Cor
:
25600
Limiting Speed(duplex bearing) (rpm)
Grease
:
3200
Oil
:
4300
Distance of action point (duplex bearing)(a0)
back-to-back arrangement
:
114.8
face-to-face arrangement
:
46.8
Installation dimensions(duplex bearing)
db(min)
:
107
Db(max)
:
173
rb(max)
:
1
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