Bearing Numbers
Single row :7221C
DB :7221DB
DF :7221DF
DT :7221DT
Principal dimensions(mm)
д :105
Д :190
Б :36
r(min) :2.1
r1(min) :1.1
Basic load ratings(N)
Кр :162000
Кор :143000
Basic load ratings(kgf)
Кр :16600
Кор :14600
Value
fo :14.5
Limiting Speed (rpm)
Смазка :5300
Масло :7500
Distance of action point(mm)
a :37.7
Abutment and fillet dimensions
da(min) :117
Da(max) :178
ra(max) :2
Масса
(kg) :4.33
Basic load ratings(duplex bearing) (N)
Кр :264000
Кор :286000
Basic load ratings(duplex bearing) (kgf)
Кр :26900
Кор :29100
Limiting Speed(duplex bearing) (rpm)
Смазка :4300
Масло :6000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :75.5
face-to-face arrangement :3.5
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :183
rb(max) :1
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