Bearing Numbers
Single row :7903C
DB :7903DB
DF :7903DF
DT :7903DT
Principal dimensions(mm)
d :17
D :30
B :7
r(min) :0.3
r1(min) :0.15
Basic load ratings(N)
Cr :5000
Cor :2940
Basic load ratings(kgf)
Cr :510
Cor :299
Value
fo :14.8
Limiting Speed (rpm)
Grease :34000
Oil :48000
Distance of action point(mm)
a :6.6
Abutment and fillet dimensions
da(min) :19.5
Da(max) :27.5
ra(max) :0.3
Weight
(kg) :0.017
Basic load ratings(duplex bearing) (N)
Cr :8150
Cor :5850
Basic load ratings(duplex bearing) (kgf)
Cr :830
Cor :600
Limiting Speed(duplex bearing) (rpm)
Grease :28000
Oil :38000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :13.3
face-to-face arrangement :0.7
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :28.8
rb(max) :0.15
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