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7300 Series > 7321A
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7321A
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Description
Bearing Numbers
Single row
:
7321A
DB
:
7321DB
DF
:
7321DF
DT
:
7321DT
Principal dimensions(mm)
d
:
105
D
:
225
B
:
49
r(min)
:
3
r1(min)
:
1.1
Basic load ratings(N)
Cr
:
208000
Cor
:
193000
Basic load ratings(kgf)
Cr
:
21200
Cor
:
19700
Value
fo
:
14.2
Limiting Speed (rpm)
Grease
:
2600
Oil
:
3600
Distance of action point(mm)
a
:
72.1
Abutment and fillet dimensions
da(min)
:
119
Da(max)
:
211
ra(max)
:
2.5
Weight
(kg)
:
9.34
Basic load ratings(duplex bearing) (N)
Cr
:
335000
Cor
:
385000
Basic load ratings(duplex bearing) (kgf)
Cr
:
34500
Cor
:
39500
Limiting Speed(duplex bearing) (rpm)
Grease
:
2200
Oil
:
2800
Distance of action point (duplex bearing)(a0)
back-to-back arrangement
:
144.3
face-to-face arrangement
:
46.3
Installation dimensions(duplex bearing)
db(min)
:
-
Db(max)
:
218
rb(max)
:
1
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