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25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7930A5
DB :7930DB
DF :7930DF
DT :7930DT
Principal dimensions(mm)
d :150
D :210
B :28
r(min) :2
r1(min) :1
Basic load ratings(N)
Cr :96500
Cor :115000
Basic load ratings(kgf)
Cr :9850
Cor :11800
Value
fo :16.5
Limiting Speed (rpm)
Grease :3800
Oil :5000
Distance of action point(mm)
a :56
Abutment and fillet dimensions
da(min) :160
Da(max) :200
ra(max) :2
Weight
(kg) :2.97
Basic load ratings(duplex bearing) (N)
Cr :157000
Cor :231000
Basic load ratings(duplex bearing) (kgf)
Cr :16000
Cor :23500
Limiting Speed(duplex bearing) (rpm)
Grease :3000
Oil :4000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :112
face-to-face arrangement :56
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :204
rb(max) :1