25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7906C
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 :8300
Cor :6250
Basic load ratings(kgf)
Cr :845
Cor :640
Value
fo :15.9
Limiting Speed (rpm)
Grease :22000
Oil :28000
Distance of action point(mm)
a :9.7
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 :13500
Cor :12500
Basic load ratings(duplex bearing) (kgf)
Cr :1380
Cor :1280
Limiting Speed(duplex bearing) (rpm)
Grease :17000
Oil :24000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :19.3
face-to-face arrangement :1.3
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :45.8
rb(max) :0.15