Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 320/22JR

Specifications
(Boundary dimensions ...etc)

d(mm)22
D(mm)44
T(mm)15
B(mm)15
C(mm)11.5
r(min.)(mm)0.6
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)35.4
Basic load ratings : C0r(kN)33.6
Fatigue load limit : Cu(kN)4.65
Limiting speeds(Grease lub.)(min-1)9100
Limiting speeds(Oil lub.)(min-1)12000
Load center spread : a(mm)11.0
Constant e()0.40
Axial load factors : Y1()1.51
Axial load factors : Y0()0.83

Mounting dimensions

da(min.)(mm)26.5
db(max.)(mm)27
Da(max.)(mm)39.5
Da(min.)(mm)38
Db(min.)(mm)41
Sa(min.)(mm)3
Sb(min.)(mm)3.5
ra(max.)(mm)0.6
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 0.108
JTEKT

2025/05/15