Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Combined needle roller bearings
  • Ball thrust series
  • NAXK,NAXK.Z
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Bearing No. NAXK25Z

Specifications
(Boundary dimensions ...etc)

Fw(mm)25
D(mm)37
C(mm)30
dw(E7)(mm)25
Da(mm)43
C1(mm)11
C2(mm)9.5
r(min.)(mm)0.6
Limiting speeds(Oil lub.)(min-1)6300
Basic load ratings : Cr(kN)18.8
Basic load ratings : C0r(kN)29.8
Basic load ratings Ca(kN)18.8
Basic load ratings C0a(kN)35.5
Fatigue load limit : Cu(Radial)(kN)4.60
Fatigue load limit : Cu(Thrust)(kN)1.60
Used with inner ring No.()JR20x25x20

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.141
JTEKT

2025/06/01