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

Bearing No. 51428

Specifications
(Boundary dimensions ...etc)

d(mm)140
D(mm)280
T(mm)112
r(min.)(mm)4
Basic load ratings Ca(kN)650
Basic load ratings C0a(kN)1680
Fatigue load limit : Cu(kN)52.2
Limiting speeds(Grease lub.)(min-1)450
Limiting speeds(Oil lub.)(min-1)700
d1(max.)(mm)275
D1(min.)(mm)144
D2(mm)-
D3(mm)-
A(mm)-
R(mm)-
C(mm)-

Mounting dimensions

da(min.)(mm)222
Da(max.)(mm)198
ra(max.)(mm)3

Refer.

(Refer.)Mass(kg) 33.9
JTEKT

2025/05/15