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-2840

Specifications
(Boundary dimensions ...etc)

Dc1(mm)44.45
Dc(mm)63.50
Dw(mm)1.984
Eb(mm)46.74
Ea(mm)58.928
Basic load ratings Ca(kN)25.31
Basic load ratings C0a(kN)137.45
Fatigue load limit : Cu(kN)14.0
Limiting speeds(min-1)6800
Washer designation ()TRA-2840
Washer dimensions : d(mm)44.45
Washer dimensions : d1(mm)63.50
Washer dimensions : h(max.)(mm)0.81
Washer dimensions : h(min.)(mm)0.76
Piloting dimensions : S(max.)(mm)44.45
Piloting dimensions : S(min.)(mm)44.37
Dia. to clear O.D. : H(mm)64.29
(Refer.)Washer mass(kg)0.010

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.014
JTEKT

2025/06/15