Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Radial needle roller and cage assemblies
  • Metric series
  • K,K.ZW
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Bearing No. K48X54X19H

Specifications
(Boundary dimensions ...etc)

Fw(mm)48
Ew(mm)54
Bc(mm)19
Basic load ratings : Cr(kN)30.9
Basic load ratings : C0r(kN)61.2
Fatigue load limit : Cu(kN)9.85
Cage material P/S()S
Limiting speeds(Grease lub.)(min-1)5700
Limiting speeds(Oil lub.)(min-1)8800

Mounting dimensions

Recommended dimensions - Shaft : S(max.)(mm)48.000
Recommended dimensions - Shaft : S(min.)(mm)47.989
Recommended dimensions - Housing : H(max.)(mm)54.029
Recommended dimensions - Housing : H(min.)(mm)54.010

Refer.

(Refer.)Mass(kg) 0.042
JTEKT

2025/06/03