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25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7912C
DB :7912DB
DF :7912DF
DT :7912DT
Principal dimensions(mm)
d :60
D :85
B :13
r(min) :1
r1(min) :0.6
Basic load ratings(N)
Cr :19400
Cor :18700
Basic load ratings(kgf)
Cr :1980
Cor :1910
Value
fo :16.4
Limiting Speed (rpm)
Grease :11000
Oil :15000
Distance of action point(mm)
a :16.2
Abutment and fillet dimensions
da(min) :66
Da(max) :79
ra(max) :1
Weight
(kg) :0.194
Basic load ratings(duplex bearing) (N)
Cr :31500
Cor :37500
Basic load ratings(duplex bearing) (kgf)
Cr :3200
Cor :3800
Limiting Speed(duplex bearing) (rpm)
Grease :9000
Oil :12000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :32.4
face-to-face arrangement :6.4
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :80
rb(max) :0.6