Koyo
FOR REFERENCE ONLY
  • Thrust ball bearings
  • Single direction
  • With flat back faces
>

Bearing No. 51172

Specifications
(Boundary dimensions ...etc)

d(mm)360
D(mm)440
T(mm)65
r(min.)(mm)2
Basic load ratings Ca(kN)493
Basic load ratings C0a(kN)1960
Fatigue load limit : Cu(kN)44.3
Limiting speeds(Grease lub.)(min-1)500
Limiting speeds(Oil lub.)(min-1)720
d1(max.)(mm)436
D1(min.)(mm)364
D2(mm)-
D3(mm)-
A(mm)-
R(mm)-
C(mm)-

Mounting dimensions

da(min.)(mm)408
Da(max.)(mm)392
ra(max.)(mm)2

Refer.

(Refer.)Mass(kg) 21.5
JTEKT

2025/07/14