Koyo
FOR REFERENCE ONLY
  • Spherical roller bearings
  • Spherical roller bearings
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Bearing No. 21319RZ

Specifications
(Boundary dimensions ...etc)

d(mm)95
D(mm)200
B(mm)45
r(min.)(mm)3
Basic load ratings : Cr(kN)452
Basic load ratings : C0r(kN)461
Fatigue load limit : Cu(kN)36.3
Limiting speeds(Grease lub.)(min-1)2500
Limiting speeds(Oil lub.)(min-1)3200
Constant e()0.23
Axial load factors : Y1()2.92
Axial load factors : Y2()4.35
Axial load factors : Y0()2.86

Mounting dimensions

da(min.)(mm)109
da(max.)(mm)
Da(max.)(mm)186
Da(min.)(mm)
ra(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 7.16
JTEKT

2025/06/16