Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Radial needle roller and cage assemblies
  • Metric series
  • K,K.ZW
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Bearing No. K37X44X19H

Specifications
(Boundary dimensions ...etc)

Fw(mm)37
Ew(mm)44
Bc(mm)19
Basic load ratings : Cr(kN)29.7
Basic load ratings : C0r(kN)48.0
Fatigue load limit : Cu(kN)7.65
Cage material P/S()S
Limiting speeds(Grease lub.)(min-1)7600
Limiting speeds(Oil lub.)(min-1)12000

Mounting dimensions

Recommended dimensions - Shaft : S(max.)(mm)37.000
Recommended dimensions - Shaft : S(min.)(mm)36.989
Recommended dimensions - Housing : H(max.)(mm)44.025
Recommended dimensions - Housing : H(min.)(mm)44.009

Refer.

(Refer.)Mass(kg) 0.039
JTEKT

2025/06/03