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


Bearing No. 30326D

Specification data (main dimensions, etc.)

d(mm)130
D(mm)280
T(mm)63.75
B(mm)58
C(mm)41
r(min.)(mm)5
r1(min.)(mm)4
Basic load ratings : Cr(kN)604
Basic load ratings : C0r(kN)582
Fatigue load limit : Cu(kN)69.9
Limiting speeds(Grease lub.)(min-1)1200
Limiting speeds(Oil lub.)(min-1)1600
Load center spread : a(mm)84.0
Constant e0.81
Axial load factors : Y10.74
Axial load factors : Y00.41

Mounting dimensions,weight (reference)

da(min.)(mm)152 mm
db(max.)(mm)155 mm
Da(max.)(mm)262 mm
da(min.)(mm)240 mm
db(min.)(mm)261 mm
Sa(min.)(mm)7 mm
Sb(min.)(mm)22 mm
ra(max.)(mm)4 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)16.3 kg
JTEKT

2026/07/28