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-6681

Specifications
(Boundary dimensions ...etc)

Dc1(mm)104.78
Dc(mm)128.57
Dw(mm)3.175
Eb(mm)107.44
Ea(mm)124.46
Basic load ratings Ca(kN)63.61
Basic load ratings C0a(kN)414.6
Fatigue load limit : Cu(kN)41.3
Limiting speeds(min-1)3200
Washer designation ()TRA-6681
Washer dimensions : d(mm)104.78
Washer dimensions : d1(mm)128.57
Washer dimensions : h(max.)(mm)0.81
Washer dimensions : h(min.)(mm)0.76
Piloting dimensions : S(max.)(mm)104.78
Piloting dimensions : S(min.)(mm)104.70
Dia. to clear O.D. : H(mm)129.39
(Refer.)Washer mass(kg)0.027

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.062
JTEKT

2025/06/03