Bearing Numbers
Single row :7901A5
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 :3200
Cor :1770
Basic load ratings(kgf)
Cr :325
Cor :181
Value
fo :15.2
Limiting Speed (rpm)
Grease :38000
Oil :53000
Distance of action point(mm)
a :7.2
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 :5200
Cor :3550
Basic load ratings(duplex bearing) (kgf)
Cr :530
Cor :360
Limiting Speed(duplex bearing) (rpm)
Grease :30000
Oil :43000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :14.4
face-to-face arrangement :2.4
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :22.8
rb(max) :0.15
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