Bearing Numbers
Single row :7028A
DB :7028DB
DF :7028DF
DT :7028DT
Principal dimensions(mm)
d :140
D :210
B :33
r(min) :2
r1(min) :1
Basic load ratings(N)
Cr :120000
Cor :133000
Basic load ratings(kgf)
Cr :12200
Cor :13500
Value
fo :16.3
Limiting Speed (rpm)
Grease :3200
Oil :4300
Distance of action point(mm)
a :67
Abutment and fillet dimensions
da(min) :150
Da(max) :200
ra(max) :2
Weight
(kg) :3.9
Basic load ratings(duplex bearing) (N)
Cr :194000
Cor :265000
Basic load ratings(duplex bearing) (kgf)
Cr :19800
Cor :27000
Limiting Speed(duplex bearing) (rpm)
Grease :2600
Oil :3400
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :134
face-to-face arrangement :68
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :204
rb(max) :1
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