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7900 Series > 7938C
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7938C
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Description
Bearing Numbers
Single row
:
7938C
DB
:
7938DB
DF
:
7938DF
DT
:
7938DT
Principal dimensions(mm)
d
:
190
D
:
260
B
:
33
r(min)
:
2
r1(min)
:
1
Basic load ratings(N)
Cr
:
147000
Cor
:
192000
Basic load ratings(kgf)
Cr
:
15000
Cor
:
19600
Value
fo
:
16.5
Limiting Speed (rpm)
Grease
:
3000
Oil
:
4300
Distance of action point(mm)
a
:
46.6
Abutment and fillet dimensions
da(min)
:
200
Da(max)
:
250
ra(max)
:
2
Weight
(kg)
:
4.98
Basic load ratings(duplex bearing) (N)
Cr
:
239000
Cor
:
385000
Basic load ratings(duplex bearing) (kgf)
Cr
:
24400
Cor
:
39000
Limiting Speed(duplex bearing) (rpm)
Grease
:
2400
Oil
:
3400
Distance of action point (duplex bearing)(a0)
back-to-back arrangement
:
93.3
face-to-face arrangement
:
27.3
Installation dimensions(duplex bearing)
db(min)
:
-
Db(max)
:
254
rb(max)
:
1
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