Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Radial needle roller and cage assemblies
  • Metric series
  • K,K.ZW
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Bearing No. K33X51X23H

Specifications
(Boundary dimensions ...etc)

Fw(mm)33
Ew(mm)51
Bc(mm)23
Basic load ratings : Cr(kN)55.9
Basic load ratings : C0r(kN)57.6
Fatigue load limit : Cu(kN)9.35
Cage material P/S()S
Limiting speeds(Grease lub.)(min-1)9600
Limiting speeds(Oil lub.)(min-1)15000

Mounting dimensions

Recommended dimensions - Shaft : S(max.)(mm)33.000
Recommended dimensions - Shaft : S(min.)(mm)32.989
Recommended dimensions - Housing : H(max.)(mm)51.029
Recommended dimensions - Housing : H(min.)(mm)51.010

Refer.

(Refer.)Mass(kg) 0.140
JTEKT

2025/06/03