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25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7930C
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 :102000
Cor :122000
Basic load ratings(kgf)
Cr :10400
Cor :12400
Value
fo :16.5
Limiting Speed (rpm)
Grease :4300
Oil :6000
Distance of action point(mm)
a :38.1
Abutment and fillet dimensions
da(min) :160
Da(max) :200
ra(max) :2
Weight
(kg) :2.96
Basic load ratings(duplex bearing) (N)
Cr :166000
Cor :244000
Basic load ratings(duplex bearing) (kgf)
Cr :16900
Cor :24900
Limiting Speed(duplex bearing) (rpm)
Grease :3600
Oil :4800
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :76.2
face-to-face arrangement :20.2
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :204
rb(max) :1