Bearing Numbers
Single row :7230A
DB :7230DB
DF :7230DF
DT :7230DT
Principal dimensions(mm)
d :150
D :270
B :45
r(min) :3
r1(min) :1.1
Basic load ratings(N)
Cr :248000
Cor :280000
Basic load ratings(kgf)
Cr :25300
Cor :28500
Value
fo :15.2
Limiting Speed (rpm)
Grease :2000
Oil :2800
Distance of action point(mm)
a :83.1
Abutment and fillet dimensions
da(min) :164
Da(max) :256
ra(max) :2.5
Weight
(kg) :11.2
Basic load ratings(duplex bearing) (N)
Cr :405000
Cor :560000
Basic load ratings(duplex bearing) (kgf)
Cr :41000
Cor :57000
Limiting Speed(duplex bearing) (rpm)
Grease :1600
Oil :2200
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :166.3
face-to-face arrangement :76.3
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :263
rb(max) :1