Bearing Numbers
Single row :7211C
DB :7211DB
DF :7211DF
DT :7211DT
Principal dimensions(mm)
d :55
D :100
B :21
r(min) :1.5
r1(min) :1
Basic load ratings(N)
Cr :53000
Cor :40000
Basic load ratings(kgf)
Cr :5400
Cor :4100
Value
fo :14.5
Limiting Speed (rpm)
Grease :10000
Oil :14000
Distance of action point(mm)
a :20.9
Abutment and fillet dimensions
da(min) :64
Da(max) :91
ra(max) :1.5
Weight
(kg) :0.688
Basic load ratings(duplex bearing) (N)
Cr :86000
Cor :80000
Basic load ratings(duplex bearing) (kgf)
Cr :8800
Cor :8150
Limiting Speed(duplex bearing) (rpm)
Grease :8500
Oil :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
