Bearing Numbers
Single row :7211B
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 :46500
Cor :36000
Basic load ratings(kgf)
Cr :4700
Cor :3700
Value
fo :15.4
Limiting Speed (rpm)
Grease :5300
Oil :7100
Distance of action point(mm)
a :43
Abutment and fillet dimensions
da(min) :64
Da(max) :91
ra(max) :1.5
Weight
(kg) :0.627
Basic load ratings(duplex bearing) (N)
Cr :75000
Cor :72000
Basic load ratings(duplex bearing) (kgf)
Cr :7650
Cor :7350
Limiting Speed(duplex bearing) (rpm)
Grease :4000
Oil :5600
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :86
face-to-face arrangement :44
Installation dimensions(duplex bearing)
db(min) :61
Db(max) :94
rb(max) :1
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