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7300 Series > 7308A
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7308A
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Description
Bearing Numbers
Single row
:
7308A
DB
:
7308DB
DF
:
7308DF
DT
:
7308DT
Principal dimensions(mm)
d
:
40
D
:
90
B
:
23
r(min)
:
1.5
r1(min)
:
1
Basic load ratings(N)
Cr
:
49000
Cor
:
33000
Basic load ratings(kgf)
Cr
:
5000
Cor
:
3350
Value
fo
:
14
Limiting Speed (rpm)
Grease
:
7100
Oil
:
9000
Distance of action point(mm)
a
:
30.3
Abutment and fillet dimensions
da(min)
:
49
Da(max)
:
81
ra(max)
:
1.5
Weight
(kg)
:
0.633
Basic load ratings(duplex bearing) (N)
Cr
:
79500
Cor
:
66000
Basic load ratings(duplex bearing) (kgf)
Cr
:
8100
Cor
:
6700
Limiting Speed(duplex bearing) (rpm)
Grease
:
5600
Oil
:
7500
Distance of action point (duplex bearing)(a0)
back-to-back arrangement
:
60.5
face-to-face arrangement
:
14.5
Installation dimensions(duplex bearing)
db(min)
:
46
Db(max)
:
84
rb(max)
:
1
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