Bearing Numbers
Single row :7220C
DB :7220DB
DF :7220DF
DT :7220DT
Principal dimensions(mm)
д :100
Д :180
Б :34
r(min) :2.1
r1(min) :1.1
Basic load ratings(N)
Кр :149000
Кор :127000
Basic load ratings(kgf)
Кр :15200
Кор :12900
Value
fo :14.5
Limiting Speed (rpm)
Смазка :5600
Масло :8000
Distance of action point(mm)
a :35.7
Abutment and fillet dimensions
da(min) :112
Da(max) :168
ra(max) :2
Масса
(kg) :3.65
Basic load ratings(duplex bearing) (N)
Кр :242000
Кор :254000
Basic load ratings(duplex bearing) (kgf)
Кр :24700
Кор :25900
Limiting Speed(duplex bearing) (rpm)
Смазка :4500
Масло :6300
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :71.5
face-to-face arrangement :3.5
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :173
rb(max) :1
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