Koyo
FOR REFERENCE ONLY
  • Self-aligning ball bearings
  • Open type
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Bearing No. 1211

Specifications
(Boundary 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 :e()0.20
Axial load factors : Y1()3.19
Axial load factors : Y2()4.94
Axial load factors : Y0()3.34

Mounting dimensions

da(min.)(mm)63
Da(max.)(mm)92
ra(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 0.705
JTEKT

2025/05/14