Koyo
FOR REFERENCE ONLY
  • Thrust ball bearings
  • Single direction
  • With aligning seat washer
>

Bearing No. 53209U

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)73
T(mm)24
r(min.)(mm)1
Basic load ratings Ca(kN)59.7
Basic load ratings C0a(kN)105
Fatigue load limit : Cu(kN)4.75
Limiting speeds(Grease lub.)(min-1)2600
Limiting speeds(Oil lub.)(min-1)4000
d1(max.)(mm)73
D1(min.)(mm)47
D2(mm)60
D3(mm)78
A(mm)-
R(mm)-
C(mm)7.5

Mounting dimensions

da(min.)(mm)62
Da(max.)(mm)56
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.397
JTEKT

2025/06/01