25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7906A5
DB :7906DB
DF :7906DF
DT :7906DT
Principal dimensions(mm)
d :30
D :47
B :9
r(min) :0.3
r1(min) :0.15
Basic load ratings(N)
Cr :7850
Cor :5950
Basic load ratings(kgf)
Cr :800
Cor :605
Value
fo :16.1
Limiting Speed (rpm)
Grease :18000
Oil :24000
Distance of action point(mm)
a :13.5
Abutment and fillet dimensions
da(min) :32.5
Da(max) :44.5
ra(max) :0.3
Weight
(kg) :0.049
Basic load ratings(duplex bearing) (N)
Cr :12800
Cor :11900
Basic load ratings(duplex bearing) (kgf)
Cr :1300
Cor :1210
Limiting Speed(duplex bearing) (rpm)
Grease :14000
Oil :19000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :27
face-to-face arrangement :9
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :45.8
rb(max) :0.15