Bearing Numbers
Single row :7909C
DB :7909DB
DF :7909DF
DT :7909DT
Principal dimensions(mm)
d :45
D :68
B :12
r(min) :0.6
r1(min) :0.3
Basic load ratings(N)
Cr :16000
Cor :13400
Basic load ratings(kgf)
Cr :1630
Cor :1360
Value
fo :16
Limiting Speed (rpm)
Grease :14000
Oil :20000
Distance of action point(mm)
a :13.6
Abutment and fillet dimensions
da(min) :50
Da(max) :63
ra(max) :0.6
Weight
(kg) :0.129
Basic load ratings(duplex bearing) (N)
Cr :26000
Cor :26800
Basic load ratings(duplex bearing) (kgf)
Cr :2660
Cor :2730
Limiting Speed(duplex bearing) (rpm)
Grease :12000
Oil :16000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :27.1
face-to-face arrangement :3.1
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :65.5
rb(max) :0.3
