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25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7934C
DB :7934DB
DF :7934DF
DT :7934DT
Principal dimensions(mm)
d :170
D :230
B :28
r(min) :2
r1(min) :1
Basic load ratings(N)
Cr :113000
Cor :148000
Basic load ratings(kgf)
Cr :11500
Cor :15100
Value
fo :16.4
Limiting Speed (rpm)
Grease :3600
Oil :4800
Distance of action point(mm)
a :40.8
Abutment and fillet dimensions
da(min) :180
Da(max) :220
ra(max) :2
Weight
(kg) :3.36
Basic load ratings(duplex bearing) (N)
Cr :183000
Cor :297000
Basic load ratings(duplex bearing) (kgf)
Cr :18700
Cor :30000
Limiting Speed(duplex bearing) (rpm)
Grease :2800
Oil :3800
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :81.6
face-to-face arrangement :25.6
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :224
rb(max) :1