Bearing Numbers
Single row :7904A5
DB :7904DB
DF :7904DF
DT :7904DT
Principal dimensions(mm)
д :20
Д :37
Б :9
r(min) :0.3
r1(min) :0.15
Basic load ratings(N)
Кр :6600
Кор :4050
Basic load ratings(kgf)
Кр :675
Кор :410
Value
fo :15.2
Limiting Speed (rpm)
Смазка :24000
Масло :32000
Distance of action point(mm)
a :11.1
Abutment and fillet dimensions
da(min) :22.5
Da(max) :34.5
ra(max) :0.3
Масса
(kg) :0.036
Basic load ratings(duplex bearing) (N)
Кр :10700
Кор :8100
Basic load ratings(duplex bearing) (kgf)
Кр :1090
Кор :825
Limiting Speed(duplex bearing) (rpm)
Смазка :19000
Масло :26000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :22.3
face-to-face arrangement :4.3
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :35.8
rb(max) :0.15
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