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

Dimension and Parameters

Bearing Numbers
Single row :7310A
DB :7310DB
DF :7310DF
DT :7310DT
Principal dimensions(mm)
d :50
D :110
B :27
r(min) :2
r1(min) :1
Basic load ratings(N)
Cr :74000
Cor :52000
Basic load ratings(kgf)
Cr :7550
Cor :5300
Value
fo :13.8
Limiting Speed (rpm)
Grease :5600
Oil :7500
Distance of action point(mm)
a :36.6
Abutment and fillet dimensions
da(min) :60
Da(max) :100
ra(max) :2
Weight
(kg) :1.1
Basic load ratings(duplex bearing) (N)
Cr :121000
Cor :104000
Basic load ratings(duplex bearing) (kgf)
Cr :12300
Cor :10600
Limiting Speed(duplex bearing) (rpm)
Grease :4500
Oil :6000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :73.2
face-to-face arrangement :19.2
Installation dimensions(duplex bearing)
db(min) :56
Db(max) :104
rb(max) :1