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7900 Series > 7940C
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7940C
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Description
Bearing Numbers
Single row
:
7940C
DB
:
7940DB
DF
:
7940DF
DT
:
7940DT
Principal dimensions(mm)
d
:
200
D
:
280
B
:
38
r(min)
:
2.1
r1(min)
:
1.1
Basic load ratings(N)
Cr
:
189000
Cor
:
244000
Basic load ratings(kgf)
Cr
:
19300
Cor
:
24900
Value
fo
:
16.4
Limiting Speed (rpm)
Grease
:
2800
Oil
:
4000
Distance of action point(mm)
a
:
51.2
Abutment and fillet dimensions
da(min)
:
212
Da(max)
:
268
ra(max)
:
2
Weight
(kg)
:
6.85
Basic load ratings(duplex bearing) (N)
Cr
:
305000
Cor
:
490000
Basic load ratings(duplex bearing) (kgf)
Cr
:
31500
Cor
:
50000
Limiting Speed(duplex bearing) (rpm)
Grease
:
2200
Oil
:
3200
Distance of action point (duplex bearing)(a0)
back-to-back arrangement
:
102.3
face-to-face arrangement
:
26.3
Installation dimensions(duplex bearing)
db(min)
:
-
Db(max)
:
273
rb(max)
:
1
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