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-4052

Specifications
(Boundary dimensions ...etc)

Dc1(mm)63.50
Dc(mm)82.55
Dw(mm)1.984
Eb(mm)65.79
Ea(mm)77.978
Basic load ratings Ca(kN)25.53
Basic load ratings C0a(kN)152.13
Fatigue load limit : Cu(kN)15.6
Limiting speeds(min-1)5100
Washer designation ()TRA-4052
Washer dimensions : d(mm)63.50
Washer dimensions : d1(mm)82.55
Washer dimensions : h(max.)(mm)0.81
Washer dimensions : h(min.)(mm)0.76
Piloting dimensions : S(max.)(mm)63.50
Piloting dimensions : S(min.)(mm)63.42
Dia. to clear O.D. : H(mm)83.34
(Refer.)Washer mass(kg)0.013

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.019
JTEKT

2025/06/01