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25-year production experience

d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7338B
DB :7338DB
DF :7338DF
DT :7338DT
Principal dimensions(mm)
d :190
D :400
B :78
r(min) :5
r1(min) :2
Basic load ratings(N)
Cr :410000
Cor :550000
Basic load ratings(kgf)
Cr :42000
Cor :56000
Value
fo :14.8
Limiting Speed (rpm)
Grease :1300
Oil :1700
Distance of action point(mm)
a :162.8
Abutment and fillet dimensions
da(min) :212
Da(max) :378
ra(max) :4
Weight
(kg) :47.2
Basic load ratings(duplex bearing) (N)
Cr :670000
Cor :1100000
Basic load ratings(duplex bearing) (kgf)
Cr :68000
Cor :112000
Limiting Speed(duplex bearing) (rpm)
Grease :1000
Oil :1400
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :325.5
face-to-face arrangement :169.5
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :390
rb(max) :2