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25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7905A5
DB :7905DB
DF :7905DF
DT :7905DT
Principal dimensions(mm)
d :25
D :42
B :9
r(min) :0.3
r1(min) :0.15
Basic load ratings(N)
Cr :7450
Cor :5150
Basic load ratings(kgf)
Cr :760
Cor :525
Value
fo :15.6
Limiting Speed (rpm)
Grease :20000
Oil :28000
Distance of action point(mm)
a :12.3
Abutment and fillet dimensions
da(min) :27.5
Da(max) :39.5
ra(max) :0.3
Weight
(kg) :0.043
Basic load ratings(duplex bearing) (N)
Cr :12100
Cor :10300
Basic load ratings(duplex bearing) (kgf)
Cr :1230
Cor :1050
Limiting Speed(duplex bearing) (rpm)
Grease :16000
Oil :22000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :24.6
face-to-face arrangement :6.6
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :40.8
rb(max) :0.15