Bearing Numbers
Single row :7217B
DB :7217DB
DF :7217DF
DT :7217DT
Principal dimensions(mm)
d :85
D :150
B :28
r(min) :2
r1(min) :1
Basic load ratings(N)
Cr :93000
Cor :81000
Basic load ratings(kgf)
Cr :9500
Cor :8250
Value
fo :15.5
Limiting Speed (rpm)
Grease :3400
Oil :4800
Distance of action point(mm)
a :63.3
Abutment and fillet dimensions
da(min) :95
Da(max) :140
ra(max) :2
Weight
(kg) :1.87
Basic load ratings(duplex bearing) (N)
Cr :151000
Cor :162000
Basic load ratings(duplex bearing) (kgf)
Cr :15400
Cor :16500
Limiting Speed(duplex bearing) (rpm)
Grease :2800
Oil :3800
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :126.6
face-to-face arrangement :70.6
Installation dimensions(duplex bearing)
db(min) :91
Db(max) :144
rb(max) :1
