Koyo
FOR REFERENCE ONLY
  • Cylindrical roller bearings
  • Single-row
  • NN
  • Tapered type


Bearing No. NN3048K

Specification data (main dimensions, etc.)

d(mm)240
D(mm)360
B(mm)92
r(min.)(mm)3
Fw(mm)-
Ew(mm)330
Basic load ratings : Cr(kN)1090
Basic load ratings : C0r(kN)1590
Fatigue load limit : Cu(kN)184
Limiting speeds(Grease lub.)(min-1)1400
Limiting speeds(Oil lub.)(min-1)1700

Mounting dimensions,weight (reference)

da(min.)(mm)253 mm
da(max.)(mm)- mm
db(min.)(mm)- mm
Da(max.)(mm)347 mm
da(min.)(mm)333 mm
ra(max.)(mm)2.5 mm
Mass(Refer.)(kg)31.8 kg
JTEKT

2026/07/05