Bearing Numbers
Single row :7900A5
DB :7900DB
DF :7900DF
DT :7900DT
Principal dimensions(mm)
d :?10
D :22
B :6
r(min) :0.3
r1(min) :0.15
Basic load ratings(N)
Cr :2880
Cor :1450
Basic load ratings(kgf)
Cr :294
Cor :148
Value
fo :14.7
Limiting Speed (rpm)
Grease :40000
Oil :56000
Distance of action point(mm)
a :6.7
Abutment and fillet dimensions
da(min) :12.5
Da(max) :19.5
ra(max) :0.3
Weight
(kg) :0.009
Basic load ratings(duplex bearing) (N)
Cr :4700
Cor :2900
Basic load ratings(duplex bearing) (kgf)
Cr :475
Cor :296
Limiting Speed(duplex bearing) (rpm)
Grease :32000
Oil :43000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :13.5
face-to-face arrangement :1.5
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :20.8
rb(max) :0.15
