Bearing Numbers
Single row :7209C
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 :41000
Cor :28800
Basic load ratings(kgf)
Cr :4150
Cor :2940
Value
fo :14.2
Limiting Speed (rpm)
Grease :12000
Oil :17000
Distance of action point(mm)
a :18.2
Abutment and fillet dimensions
da(min) :52
Da(max) :78
ra(max) :1
Weight
(kg) :0.468
Basic load ratings(duplex bearing) (N)
Cr :66500
Cor :57500
Basic load ratings(duplex bearing) (kgf)
Cr :6750
Cor :5850
Limiting Speed(duplex bearing) (rpm)
Grease :10000
Oil :14000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :36.4
face-to-face arrangement :1.6
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :80
rb(max) :0.6
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