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


Bearing No. 51311

Specification data (main dimensions, etc.)

d(mm)55
D(mm)105
T(mm)35
r(min.)(mm)1.1
Basic load ratings Ca(kN)149
Basic load ratings C0a(kN)246
Fatigue load limit : Cu(kN)11.1
Limiting speeds(Grease lub.)(min-1)1600
Limiting speeds(Oil lub.)(min-1)2400
d1(max.)(mm)105
D1(min.)(mm)57
D2(mm)-
D3(mm)-
A(mm)-
R(mm)-
C(mm)-

Mounting dimensions,weight (reference)

da(min.)(mm)85 mm
Da(max.)(mm)75 mm
ra(max.)(mm)1 mm
Mass(Refer.)(kg)1.34 kg
JTEKT

2026/07/07