Koyo
FOR REFERENCE ONLY
  • Self-aligning ball bearings
  • Open type
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Bearing No. 1210

Specifications
(Boundary 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 :e()0.21
Axial load factors : Y1()3.07
Axial load factors : Y2()4.76
Axial load factors : Y0()3.22

Mounting dimensions

da(min.)(mm)56.5
Da(max.)(mm)83.5
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.525
JTEKT

2025/05/17