Bearing Numbers
Single row :7901C
DB :7901DB
DF :7901DF
DT :7901DT
Principal dimensions(mm)
d :12
D :24
B :6
r(min) :0.3
r1(min) :0.15
Basic load ratings(N)
Cr :3350
Cor :1860
Basic load ratings(kgf)
Cr :340
Cor :189
Value
fo :14.7
Limiting Speed (rpm)
Grease :45000
Oil :63000
Distance of action point(mm)
a :5.4
Abutment and fillet dimensions
da(min) :14.5
Da(max) :21.5
ra(max) :0.3
Weight
(kg) :0.011
Basic load ratings(duplex bearing) (N)
Cr :5450
Cor :3700
Basic load ratings(duplex bearing) (kgf)
Cr :555
Cor :380
Limiting Speed(duplex bearing) (rpm)
Grease :36000
Oil :50000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :10.8
face-to-face arrangement :1.2
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :22.8
rb(max) :0.15
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