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-2031

Specifications
(Boundary dimensions ...etc)

Dc1(mm)31.75
Dc(mm)49.20
Dw(mm)1.984
Eb(mm)34.04
Ea(mm)46.228
Basic load ratings Ca(kN)20.15
Basic load ratings C0a(kN)93.41
Fatigue load limit : Cu(kN)9.55
Limiting speeds(min-1)8600
Washer designation ()TRA-2031
Washer dimensions : d(mm)31.75
Washer dimensions : d1(mm)49.20
Washer dimensions : h(max.)(mm)0.81
Washer dimensions : h(min.)(mm)0.76
Piloting dimensions : S(max.)(mm)31.75
Piloting dimensions : S(min.)(mm)31.67
Dia. to clear O.D. : H(mm)50.01
(Refer.)Washer mass(kg)0.007

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.010
JTEKT

2025/06/18