Koyo
FOR REFERENCE ONLY
  • Thrust ball bearings
  • Single direction
  • With spherical back face


Bearing No. 53260

Specification data (main dimensions, etc.)

d(mm)300
D(mm)420
T(mm)100.5
r(min.)(mm)3
Basic load ratings Ca(kN)713
Basic load ratings C0a(kN)2600
Fatigue load limit : Cu(kN)61.9
Limiting speeds(Grease lub.)(min-1)400
Limiting speeds(Oil lub.)(min-1)600
d1(max.)(mm)415
D1(min.)(mm)304
D2(mm)-
D3(mm)-
A(mm)164
R(mm)320
C(mm)-

Mounting dimensions,weight (reference)

da(min.)(mm)371 mm
Da(max.)(mm)349 mm
ra(max.)(mm)2.5 mm
Mass(Refer.)(kg)39.5 kg
JTEKT

2026/07/19