Bearing Numbers
Single row :7911C
DB :7911DB
DF :7911DF
DT :7911DT
Principal dimensions(mm)
d :55
D :80
B :13
r(min) :1
r1(min) :0.6
Basic load ratings(N)
Cr :19100
Cor :17700
Basic load ratings(kgf)
Cr :1950
Cor :1810
Value
fo :16.3
Limiting Speed (rpm)
Grease :12000
Oil :16000
Distance of action point(mm)
a :15.5
Abutment and fillet dimensions
da(min) :61
Da(max) :74
ra(max) :1
Weight
(kg) :0.182
Basic load ratings(duplex bearing) (N)
Cr :31000
Cor :35500
Basic load ratings(duplex bearing) (kgf)
Cr :3150
Cor :3600
Limiting Speed(duplex bearing) (rpm)
Grease :9500
Oil :13000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :31.1
face-to-face arrangement :5.1
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :75
rb(max) :0.6
