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

Dimension and Parameters

Bearing Numbers
Single row :7318B
DB :7318DB
DF :7318DF
DT :7318DT
Principal dimensions(mm)
d :90
D :190
B :43
r(min) :3
r1(min) :1.1
Basic load ratings(N)
Cr :156000
Cor :135000
Basic load ratings(kgf)
Cr :15900
Cor :13800
Value
fo :14.6
Limiting Speed (rpm)
Grease :2800
Oil :3800
Distance of action point(mm)
a :80.2
Abutment and fillet dimensions
da(min) :104
Da(max) :176
ra(max) :2.5
Weight
(kg) :5.17
Basic load ratings(duplex bearing) (N)
Cr :254000
Cor :270000
Basic load ratings(duplex bearing) (kgf)
Cr :25900
Cor :27600
Limiting Speed(duplex bearing) (rpm)
Grease :2200
Oil :3000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :160.5
face-to-face arrangement :74.5
Installation dimensions(duplex bearing)
db(min) :97
Db(max) :183
rb(max) :1