Bearing Numbers
Single row :7211C
DB :7211DB
DF :7211DF
DT :7211DT
Principal dimensions(mm)
д :55
Д :100
Б :21
r(min) :1.5
r1(min) :1
Basic load ratings(N)
Кр :53000
Кор :40000
Basic load ratings(kgf)
Кр :5400
Кор :4100
Value
fo :14.5
Limiting Speed (rpm)
Смазка :10000
Масло :14000
Distance of action point(mm)
a :20.9
Abutment and fillet dimensions
da(min) :64
Da(max) :91
ra(max) :1.5
Масса
(kg) :0.688
Basic load ratings(duplex bearing) (N)
Кр :86000
Кор :80000
Basic load ratings(duplex bearing) (kgf)
Кр :8800
Кор :8150
Limiting Speed(duplex bearing) (rpm)
Смазка :8500
Масло :12000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :41.7
face-to-face arrangement :0.3
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :94
rb(max) :1
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