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


Bearing No. NN3024K

Specification data (main dimensions, etc.)

d(mm)120
D(mm)180
B(mm)46
r(min.)(mm)2
Fw(mm)-
Ew(mm)165
Basic load ratings : Cr(kN)291
Basic load ratings : C0r(kN)392
Fatigue load limit : Cu(kN)51.1
Limiting speeds(Grease lub.)(min-1)3200
Limiting speeds(Oil lub.)(min-1)3900

Mounting dimensions,weight (reference)

da(min.)(mm)129 mm
da(max.)(mm)- mm
db(min.)(mm)- mm
Da(max.)(mm)171 mm
da(min.)(mm)167 mm
ra(max.)(mm)2 mm
Mass(Refer.)(kg)3.87 kg
JTEKT

2026/07/17