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


Bearing No. 1211

Specification data (main dimensions, etc.)

d(mm)55
D(mm)100
B(mm)21
r(min.)(mm)1.5
Basic load ratings : Cr(kN)33.5
Basic load ratings : C0r(kN)10.0
Fatigue load limit : Cu(kN)0.63
Limiting speeds(Grease lub.)(min-1)5800
Limiting speeds(Oil lub.)(min-1)7100
Constant :e0.20
Axial load factors : Y13.19
Axial load factors : Y24.94
Axial load factors : Y03.34

Mounting dimensions,weight (reference)

da(min.)(mm)63 mm
Da(max.)(mm)92 mm
ra(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.705 kg
JTEKT

2026/07/20