Bearing Numbers
Single row :7210A
DB :7210DB
DF :7210DF
DT :7210DT
Principal dimensions(mm)
д :50
Д :90
Б :20
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Кр :41500
Кор :31500
Basic load ratings(kgf)
Кр :4200
Кор :3200
Value
fo :15
Limiting Speed (rpm)
Смазка :8000
Масло :11000
Distance of action point(mm)
a :30.2
Abutment and fillet dimensions
da(min) :57
Da(max) :83
ra(max) :1
Масса
(kg) :0.466
Basic load ratings(duplex bearing) (N)
Кр :67000
Кор :63000
Basic load ratings(duplex bearing) (kgf)
Кр :6850
Кор :6400
Limiting Speed(duplex bearing) (rpm)
Смазка :6300
Масло :9000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :60.4
face-to-face arrangement :20.4
Installation dimensions(duplex bearing)
db(min) :55
Db(max) :85
rb(max) :0.6
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