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


Bearing No. 30322JR

Specification data (main dimensions, etc.)

d(mm)110
D(mm)240
T(mm)54.5
B(mm)50
C(mm)42
r(min.)(mm)4
r1(min.)(mm)3
Basic load ratings : Cr(kN)601
Basic load ratings : C0r(kN)590
Fatigue load limit : Cu(kN)75.2
Limiting speeds(Grease lub.)(min-1)1600
Limiting speeds(Oil lub.)(min-1)2100
Load center spread : a(mm)46.3
Constant e0.35
Axial load factors : Y11.74
Axial load factors : Y00.96

Mounting dimensions,weight (reference)

da(min.)(mm)128 mm
db(max.)(mm)141 mm
Da(max.)(mm)226 mm
da(min.)(mm)206 mm
db(min.)(mm)222 mm
Sa(min.)(mm)8 mm
Sb(min.)(mm)12.5 mm
ra(max.)(mm)3 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)11.4 kg
JTEKT

2026/07/01