• d
  • D
  • B
  • 7300 Series
  • 7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7338A
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 :450000
Cor :600000
Basic load ratings(kgf)
Cr :46000
Cor :61000
Value
fo :14.3
Limiting Speed (rpm)
Grease :1400
Oil :1900
Distance of action point(mm)
a :124.2
Abutment and fillet dimensions
da(min) :212
Da(max) :378
ra(max) :4
Weight
(kg) :47.5
Basic load ratings(duplex bearing) (N)
Cr :730000
Cor :1200000
Basic load ratings(duplex bearing) (kgf)
Cr :74500
Cor :122000
Limiting Speed(duplex bearing) (rpm)
Grease :1100
Oil :1500
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :248.3
face-to-face arrangement :92.3
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :390
rb(max) :2