Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series


Bearing No. 320/22JR

Specification data (main 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 e0.40
Axial load factors : Y11.51
Axial load factors : Y00.83

Mounting dimensions,weight (reference)

da(min.)(mm)26.5 mm
db(max.)(mm)27 mm
Da(max.)(mm)39.5 mm
da(min.)(mm)38 mm
db(min.)(mm)41 mm
Sa(min.)(mm)3 mm
Sb(min.)(mm)3.5 mm
ra(max.)(mm)0.6 mm
rb(max.)(mm)0.6 mm
Mass(Refer.)(kg)0.108 kg
JTEKT

2026/07/08