Bearing Numbers
Single row :7209A
DB :7209DB
DF :7209DF
DT :7209DT
Principal dimensions(mm)
д :45
Д :85
Б :19
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Кр :39500
Кор :28700
Basic load ratings(kgf)
Кр :4050
Кор :2930
Value
fo :14.7
Limiting Speed (rpm)
Смазка :8500
Масло :12000
Distance of action point(mm)
a :28.3
Abutment and fillet dimensions
da(min) :52
Da(max) :78
ra(max) :1
Масса
(kg) :0.411
Basic load ratings(duplex bearing) (N)
Кр :64500
Кор :57500
Basic load ratings(duplex bearing) (kgf)
Кр :6550
Кор :5850
Limiting Speed(duplex bearing) (rpm)
Смазка :7100
Масло :9500
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :56.5
face-to-face arrangement :18.5
Installation dimensions(duplex bearing)
db(min) :50
Db(max) :80
rb(max) :0.6
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