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7300 Series > 7312B
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7312B
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Description
Bearing Numbers
Single row
:
7312B
DB
:
7312DB
DF
:
7312DF
DT
:
7312DT
Principal dimensions(mm)
d
:
60
D
:
130
B
:
31
r(min)
:
2.1
r1(min)
:
1.1
Basic load ratings(N)
Cr
:
90000
Cor
:
65500
Basic load ratings(kgf)
Cr
:
9200
Cor
:
6700
Value
fo
:
14.4
Limiting Speed (rpm)
Grease
:
4300
Oil
:
5600
Distance of action point(mm)
a
:
55.4
Abutment and fillet dimensions
da(min)
:
72
Da(max)
:
118
ra(max)
:
2
Weight
(kg)
:
1.78
Basic load ratings(duplex bearing) (N)
Cr
:
146000
Cor
:
131000
Basic load ratings(duplex bearing) (kgf)
Cr
:
14900
Cor
:
13400
Limiting Speed(duplex bearing) (rpm)
Grease
:
3400
Oil
:
4500
Distance of action point (duplex bearing)(a0)
back-to-back arrangement
:
110.7
face-to-face arrangement
:
48.7
Installation dimensions(duplex bearing)
db(min)
:
67
Db(max)
:
123
rb(max)
:
1
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