Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Radial needle roller and cage assemblies
  • Metric series
  • K,K.ZW
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Bearing No. K41X48X31HZW

Specifications
(Boundary dimensions ...etc)

Fw(mm)41
Ew(mm)48
Bc(mm)31
Basic load ratings : Cr(kN)38.0
Basic load ratings : C0r(kN)68.1
Fatigue load limit : Cu(kN)10.6
Cage material P/S()S
Limiting speeds(Grease lub.)(min-1)6800
Limiting speeds(Oil lub.)(min-1)11000

Mounting dimensions

Recommended dimensions - Shaft : S(max.)(mm)41.000
Recommended dimensions - Shaft : S(min.)(mm)40.989
Recommended dimensions - Housing : H(max.)(mm)48.025
Recommended dimensions - Housing : H(min.)(mm)48.009

Refer.

(Refer.)Mass(kg) 0.067
JTEKT

2025/06/01