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7300 Series > 7311A
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7311A
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Description
Bearing Numbers
Single row
:
7311A
DB
:
7311DB
DF
:
7311DF
DT
:
7311DT
Principal dimensions(mm)
d
:
55
D
:
120
B
:
29
r(min)
:
2
r1(min)
:
1
Basic load ratings(N)
Cr
:
86000
Cor
:
61500
Basic load ratings(kgf)
Cr
:
8750
Cor
:
6250
Value
fo
:
13.9
Limiting Speed (rpm)
Grease
:
5000
Oil
:
6700
Distance of action point(mm)
a
:
39.8
Abutment and fillet dimensions
da(min)
:
65
Da(max)
:
110
ra(max)
:
2
Weight
(kg)
:
1.41
Basic load ratings(duplex bearing) (N)
Cr
:
139000
Cor
:
123000
Basic load ratings(duplex bearing) (kgf)
Cr
:
14200
Cor
:
12500
Limiting Speed(duplex bearing) (rpm)
Grease
:
4000
Oil
:
5600
Distance of action point (duplex bearing)(a0)
back-to-back arrangement
:
79.5
face-to-face arrangement
:
21.5
Installation dimensions(duplex bearing)
db(min)
:
61
Db(max)
:
114
rb(max)
:
1
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