Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Drawn cup needle roller bearings
  • Metric series, caged
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Bearing No. HK5520

Specifications
(Boundary dimensions ...etc)

Fw(mm)55
D(mm)63
C(mm)20
C3(min.)(mm)
r(min.)(mm)1
Basic load ratings : Cr(kN)31.0
Basic load ratings : C0r(kN)64.4
Fatigue load limit : Cu(kN)10.0
Limiting speeds(Grease lub.)(min-1)3700
Limiting speeds(Oil lub.)(min-1)5700
Mounting inner ring()

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.079
JTEKT

2025/05/16