25-year production experience

d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7305B
DB :7305DB
DF :7305DF
DT :7305DT
Principal dimensions(mm)
d :25
D :62
B :17
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Cr :24400
Cor :14600
Basic load ratings(kgf)
Cr :2490
Cor :1490
Value
fo :14.1
Limiting Speed (rpm)
Grease :9000
Oil :13000
Distance of action point(mm)
a :26.7
Abutment and fillet dimensions
da(min) :32
Da(max) :55
ra(max) :1
Weight
(kg) :0.241
Basic load ratings(duplex bearing) (N)
Cr :39500
Cor :29300
Basic load ratings(duplex bearing) (kgf)
Cr :4050
Cor :2980
Limiting Speed(duplex bearing) (rpm)
Grease :7500
Oil :10000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :53.5
face-to-face arrangement :19.5
Installation dimensions(duplex bearing)
db(min) :30
Db(max) :57
rb(max) :0.6