Bearing Numbers
Single row :7911A5
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 :18100
Cor :16800
Basic load ratings(kgf)
Cr :1840
Cor :1710
Value
fo :16.4
Limiting Speed (rpm)
Grease :10000
Oil :14000
Distance of action point(mm)
a :22.2
Abutment and fillet dimensions
da(min) :61
Da(max) :74
ra(max) :1
Weight
(kg) :0.184
Basic load ratings(duplex bearing) (N)
Cr :29300
Cor :33500
Basic load ratings(duplex bearing) (kgf)
Cr :2990
Cor :3400
Limiting Speed(duplex bearing) (rpm)
Grease :8000
Oil :11000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :44.5
face-to-face arrangement :18.5
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :75
rb(max) :0.6
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