Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Radial needle roller and cage assemblies
  • Metric series
  • K,K.ZW
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Bearing No. K49X65X38H

Specifications
(Boundary dimensions ...etc)

Fw(mm)49
Ew(mm)65
Bc(mm)38
Basic load ratings : Cr(kN)100
Basic load ratings : C0r(kN)142
Fatigue load limit : Cu(kN)22.7
Cage material P/S()S
Limiting speeds(Grease lub.)(min-1)6100
Limiting speeds(Oil lub.)(min-1)9300

Mounting dimensions

Recommended dimensions - Shaft : S(max.)(mm)49.000
Recommended dimensions - Shaft : S(min.)(mm)48.989
Recommended dimensions - Housing : H(max.)(mm)65.029
Recommended dimensions - Housing : H(min.)(mm)65.010

Refer.

(Refer.)Mass(kg) 0.244
JTEKT

2025/06/01