Bearing Numbers
Single row :7920C
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 :50000
Cor :54000
Basic load ratings(kgf)
Cr :5100
Cor :5550
Value
fo :16.4
Limiting Speed (rpm)
Grease :6700
Oil :9000
Distance of action point(mm)
a :26.1
Abutment and fillet dimensions
da(min) :107
Da(max) :133
ra(max) :1
Weight
(kg) :0.794
Basic load ratings(duplex bearing) (N)
Cr :81500
Cor :108000
Basic load ratings(duplex bearing) (kgf)
Cr :8300
Cor :11100
Limiting Speed(duplex bearing) (rpm)
Grease :5300
Oil :7500
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :52.2
face-to-face arrangement :12.2
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :135
rb(max) :0.6
