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25-year production experience

d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7330B
DB :7330DB
DF :7330DF
DT :7330DT
Principal dimensions(mm)
d :150
D :320
B :65
r(min) :4
r1(min) :1.5
Basic load ratings(N)
Cr :289000
Cor :340000
Basic load ratings(kgf)
Cr :29400
Cor :34500
Value
fo :15
Limiting Speed (rpm)
Grease :1600
Oil :2200
Distance of action point(mm)
a :131.1
Abutment and fillet dimensions
da(min) :168
Da(max) :302
ra(max) :3
Weight
(kg) :25.9
Basic load ratings(duplex bearing) (N)
Cr :470000
Cor :680000
Basic load ratings(duplex bearing) (kgf)
Cr :48000
Cor :69500
Limiting Speed(duplex bearing) (rpm)
Grease :1300
Oil :1800
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :262.2
face-to-face arrangement :132.2
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :311
rb(max) :1.5