Bearing Numbers
Single row :7209A
DB :7209DB
DF :7209DF
DT :7209DT
Principal dimensions(mm)
d :45
D :85
B :19
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Cr :39500
Cor :28700
Basic load ratings(kgf)
Cr :4050
Cor :2930
Value
fo :14.7
Limiting Speed (rpm)
Grease :8500
Oil :12000
Distance of action point(mm)
a :28.3
Abutment and fillet dimensions
da(min) :52
Da(max) :78
ra(max) :1
Weight
(kg) :0.411
Basic load ratings(duplex bearing) (N)
Cr :64500
Cor :57500
Basic load ratings(duplex bearing) (kgf)
Cr :6550
Cor :5850
Limiting Speed(duplex bearing) (rpm)
Grease :7100
Oil :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
