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


Bearing No. 30326JR

Specification data (main dimensions, etc.)

d(mm)130
D(mm)280
T(mm)63.75
B(mm)58
C(mm)49
r(min.)(mm)5
r1(min.)(mm)4
Basic load ratings : Cr(kN)823
Basic load ratings : C0r(kN)834
Fatigue load limit : Cu(kN)102
Limiting speeds(Grease lub.)(min-1)1400
Limiting speeds(Oil lub.)(min-1)1800
Load center spread : a(mm)54.0
Constant e0.35
Axial load factors : Y11.74
Axial load factors : Y00.96

Mounting dimensions,weight (reference)

da(min.)(mm)152 mm
db(max.)(mm)164 mm
Da(max.)(mm)262 mm
da(min.)(mm)239 mm
db(min.)(mm)255 mm
Sa(min.)(mm)8 mm
Sb(min.)(mm)14.5 mm
ra(max.)(mm)4 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)18.1 kg
JTEKT

2026/08/12