Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Thrust needle roller bearings
  • Inch series, separate type
  • Thrust needle roller and cage assembly(NTA)
>

Bearing No. NTA-3244

Specifications
(Boundary dimensions ...etc)

Dc1(mm)50.80
Dc(mm)69.85
Dw(mm)1.984
Eb(mm)53.09
Ea(mm)65.278
Basic load ratings Ca(kN)24.02
Basic load ratings C0a(kN)132.56
Fatigue load limit : Cu(kN)13.5
Limiting speeds(min-1)6100
Washer designation ()TRA-3244
Washer dimensions : d(mm)50.80
Washer dimensions : d1(mm)69.85
Washer dimensions : h(max.)(mm)0.81
Washer dimensions : h(min.)(mm)0.76
Piloting dimensions : S(max.)(mm)50.80
Piloting dimensions : S(min.)(mm)50.72
Dia. to clear O.D. : H(mm)70.64
(Refer.)Washer mass(kg)0.011

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.015
JTEKT

2025/06/15