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

Bearing No. 51138

Specifications
(Boundary dimensions ...etc)

d(mm)190
D(mm)240
T(mm)37
r(min.)(mm)1.1
Basic load ratings Ca(kN)213
Basic load ratings C0a(kN)655
Fatigue load limit : Cu(kN)20.2
Limiting speeds(Grease lub.)(min-1)970
Limiting speeds(Oil lub.)(min-1)1500
d1(max.)(mm)237
D1(min.)(mm)193
D2(mm)-
D3(mm)-
A(mm)-
R(mm)-
C(mm)-

Mounting dimensions

da(min.)(mm)220
Da(max.)(mm)210
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 3.95
JTEKT

2025/07/14