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25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7913C
DB :7913DB
DF :7913DF
DT :7913DT
Principal dimensions(mm)
d :65
D :90
B :13
r(min) :1
r1(min) :0.6
Basic load ratings(N)
Cr :20200
Cor :20500
Basic load ratings(kgf)
Cr :2060
Cor :2090
Value
fo :16.5
Limiting Speed (rpm)
Grease :10000
Oil :14000
Distance of action point(mm)
a :16.9
Abutment and fillet dimensions
da(min) :71
Da(max) :84
ra(max) :1
Weight
(kg) :0.208
Basic load ratings(duplex bearing) (N)
Cr :33000
Cor :41000
Basic load ratings(duplex bearing) (kgf)
Cr :3350
Cor :4200
Limiting Speed(duplex bearing) (rpm)
Grease :8500
Oil :12000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :33.8
face-to-face arrangement :7.8
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :85
rb(max) :0.6