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7200 Series > 7230B
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7230B
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Description
Bearing Numbers
Single row
:
7230B
DB
:
7230DB
DF
:
7230DF
DT
:
7230DT
Principal dimensions(mm)
d
:
150
D
:
270
B
:
45
r(min)
:
3
r1(min)
:
1.1
Basic load ratings(N)
Cr
:
225000
Cor
:
254000
Basic load ratings(kgf)
Cr
:
22900
Cor
:
25900
Value
fo
:
15.5
Limiting Speed (rpm)
Grease
:
1800
Oil
:
2600
Distance of action point(mm)
a
:
110.6
Abutment and fillet dimensions
da(min)
:
164
Da(max)
:
256
ra(max)
:
2.5
Weight
(kg)
:
11.2
Basic load ratings(duplex bearing) (N)
Cr
:
365000
Cor
:
510000
Basic load ratings(duplex bearing) (kgf)
Cr
:
37000
Cor
:
52000
Limiting Speed(duplex bearing) (rpm)
Grease
:
1500
Oil
:
2000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement
:
221.2
face-to-face arrangement
:
131.2
Installation dimensions(duplex bearing)
db(min)
:
-
Db(max)
:
263
rb(max)
:
1
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