Bearing Numbers
Single row :7900A5
DB :7900DB
DF :7900DF
DT :7900DT
Principal dimensions(mm)
д :10
Д :22
Б :6
r(min) :0.3
r1(min) :0.15
Basic load ratings(N)
Кр :2880
Кор :1450
Basic load ratings(kgf)
Кр :294
Кор :148
Value
fo :14.7
Limiting Speed (rpm)
Смазка :40000
Масло :56000
Distance of action point(mm)
a :6.7
Abutment and fillet dimensions
da(min) :12.5
Da(max) :19.5
ra(max) :0.3
Масса
(kg) :0.009
Basic load ratings(duplex bearing) (N)
Кр :4700
Кор :2900
Basic load ratings(duplex bearing) (kgf)
Кр :475
Кор :296
Limiting Speed(duplex bearing) (rpm)
Смазка :32000
Масло :43000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :13.5
face-to-face arrangement :1.5
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :20.8
rb(max) :0.15
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