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


Bearing No. 1210

Specification data (main dimensions, etc.)

d(mm)50
D(mm)90
B(mm)20
r(min.)(mm)1.1
Basic load ratings : Cr(kN)28.4
Basic load ratings : C0r(kN)8.10
Fatigue load limit : Cu(kN)0.51
Limiting speeds(Grease lub.)(min-1)6500
Limiting speeds(Oil lub.)(min-1)7900
Constant :e0.21
Axial load factors : Y13.07
Axial load factors : Y24.76
Axial load factors : Y03.22

Mounting dimensions,weight (reference)

da(min.)(mm)56.5 mm
Da(max.)(mm)83.5 mm
ra(max.)(mm)1 mm
Mass(Refer.)(kg)0.525 kg
JTEKT

2026/07/07