Koyo
FOR REFERENCE ONLY
  • Self-aligning ball bearings
  • Open type


Bearing No. 1218

Specification data (main dimensions, etc.)

d(mm)90
D(mm)160
B(mm)30
r(min.)(mm)2
Basic load ratings : Cr(kN)71.0
Basic load ratings : C0r(kN)23.4
Fatigue load limit : Cu(kN)1.30
Limiting speeds(Grease lub.)(min-1)3500
Limiting speeds(Oil lub.)(min-1)4300
Constant :e0.17
Axial load factors : Y13.69
Axial load factors : Y25.70
Axial load factors : Y03.86

Mounting dimensions,weight (reference)

da(min.)(mm)99 mm
Da(max.)(mm)151 mm
ra(max.)(mm)2 mm
Mass(Refer.)(kg)2.52 kg
JTEKT

2026/08/05