25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7908A5
DB :7908DB
DF :7908DF
DT :7908DT
Principal dimensions(mm)
d :?40
D :62
B :12
r(min) :0.6
r1(min) :0.3
Basic load ratings(N)
Cr :14300
Cor :11200
Basic load ratings(kgf)
Cr :1460
Cor :1140
Value
fo :16.1
Limiting Speed (rpm)
Grease :14000
Oil :18000
Distance of action point(mm)
a :17.9
Abutment and fillet dimensions
da(min) :45
Da(max) :57
ra(max) :0.6
Weight
(kg) :0.11
Basic load ratings(duplex bearing) (N)
Cr :23300
Cor :22300
Basic load ratings(duplex bearing) (kgf)
Cr :2370
Cor :2270
Limiting Speed(duplex bearing) (rpm)
Grease :11000
Oil :15000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :35.8
face-to-face arrangement :11.8
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :59.5
rb(max) :0.3