Koyo
FOR REFERENCE ONLY
  • Cylindrical roller bearings
  • Single-row
  • N
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Bearing No. N209

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)85
B(mm)19
r(min.)(mm)1.1
r1(min.)(mm)1.1
Fw(mm)-
Ew(mm)75
Basic load ratings : Cr(kN)57.6
Basic load ratings : C0r(kN)46.9
Fatigue load limit : Cu(kN)6.70
Limiting speeds(Grease lub.)(min-1)7700
Limiting speeds(Oil lub.)(min-1)9200
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions

da(min.)(mm)51.5
db(min.)(mm)-
db(max.)(mm)-
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)-
Db(max.)(mm)78.5
Db(min.)(mm)77
ra(max.)(mm)1
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.422
JTEKT

2025/05/21