Bearing Numbers
Single row :7228A
DB :7228DB
DF :7228DF
DT :7228DT
Principal dimensions(mm)
д :140
Д :250
Б :42
r(min) :3
r1(min) :1.1
Basic load ratings(N)
Кр :218000
Кор :234000
Basic load ratings(kgf)
Кр :22300
Кор :23900
Value
fo :15.2
Limiting Speed (rpm)
Смазка :2200
Масло :3000
Distance of action point(mm)
a :77.3
Abutment and fillet dimensions
da(min) :154
Da(max) :236
ra(max) :2.5
Масса
(kg) :8.92
Basic load ratings(duplex bearing) (N)
Кр :355000
Кор :470000
Basic load ratings(duplex bearing) (kgf)
Кр :36000
Кор :48000
Limiting Speed(duplex bearing) (rpm)
Смазка :1800
Масло :2400
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :154.6
face-to-face arrangement :70.6
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :243
rb(max) :1
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