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


Bearing No. 30222JR

Specification data (main dimensions, etc.)

d(mm)110
D(mm)200
T(mm)41
B(mm)38
C(mm)32
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)405
Basic load ratings : C0r(kN)434
Fatigue load limit : Cu(kN)58.1
Limiting speeds(Grease lub.)(min-1)1900
Limiting speeds(Oil lub.)(min-1)2500
Load center spread : a(mm)40.8
Constant e0.42
Axial load factors : Y11.43
Axial load factors : Y00.79

Mounting dimensions,weight (reference)

da(min.)(mm)124 mm
db(max.)(mm)129 mm
Da(max.)(mm)188 mm
da(min.)(mm)174 mm
db(min.)(mm)188 mm
Sa(min.)(mm)6 mm
Sb(min.)(mm)9 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)5.33 kg
JTEKT

2026/07/18