Bearing Numbers
Single row :7209B
DB :7209DB
DF :7209DF
DT :7209DT
Principal dimensions(mm)
d :45
D :85
B :19
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Cr :36000
Cor :26200
Basic load ratings(kgf)
Cr :3650
Cor :2680
Value
fo :15.4
Limiting Speed (rpm)
Grease :6300
Oil :8500
Distance of action point(mm)
a :36.8
Abutment and fillet dimensions
da(min) :52
Da(max) :78
ra(max) :1
Weight
(kg) :0.421
Basic load ratings(duplex bearing) (N)
Cr :58500
Cor :52500
Basic load ratings(duplex bearing) (kgf)
Cr :5950
Cor :5350
Limiting Speed(duplex bearing) (rpm)
Grease :5000
Oil :6700
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :73.5
face-to-face arrangement :35.5
Installation dimensions(duplex bearing)
db(min) :50
Db(max) :80
rb(max) :0.6
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