Bearing Numbers
Single row :7911C
DB :7911DB
DF :7911DF
DT :7911DT
Principal dimensions(mm)
д :55
Д :80
Б :13
r(min) :1
r1(min) :0.6
Basic load ratings(N)
Кр :19100
Кор :17700
Basic load ratings(kgf)
Кр :1950
Кор :1810
Value
fo :16.3
Limiting Speed (rpm)
Смазка :12000
Масло :16000
Distance of action point(mm)
a :15.5
Abutment and fillet dimensions
da(min) :61
Da(max) :74
ra(max) :1
Масса
(kg) :0.182
Basic load ratings(duplex bearing) (N)
Кр :31000
Кор :35500
Basic load ratings(duplex bearing) (kgf)
Кр :3150
Кор :3600
Limiting Speed(duplex bearing) (rpm)
Смазка :9500
Масло :13000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :31.1
face-to-face arrangement :5.1
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :75
rb(max) :0.6
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