Bearing Numbers
Single row :7920A5
DB :7920DB
DF :7920DF
DT :7920DT
Principal dimensions(mm)
d :?100
D :140
B :20
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Cr :47500
Cor :51500
Basic load ratings(kgf)
Cr :4850
Cor :5250
Value
fo :16.3
Limiting Speed (rpm)
Grease :5600
Oil :8000
Distance of action point(mm)
a :38
Abutment and fillet dimensions
da(min) :107
Da(max) :133
ra(max) :1
Weight
(kg) :0.804
Basic load ratings(duplex bearing) (N)
Cr :77000
Cor :103000
Basic load ratings(duplex bearing) (kgf)
Cr :7850
Cor :10500
Limiting Speed(duplex bearing) (rpm)
Grease :4500
Oil :6300
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :76
face-to-face arrangement :36
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :135
rb(max) :0.6
