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


Bearing No. NN3034K

Specification data (main dimensions, etc.)

d(mm)170
D(mm)260
B(mm)67
r(min.)(mm)2.1
Fw(mm)-
Ew(mm)236
Basic load ratings : Cr(kN)592
Basic load ratings : C0r(kN)824
Fatigue load limit : Cu(kN)105
Limiting speeds(Grease lub.)(min-1)2200
Limiting speeds(Oil lub.)(min-1)2600

Mounting dimensions,weight (reference)

da(min.)(mm)181 mm
da(max.)(mm)- mm
db(min.)(mm)- mm
Da(max.)(mm)249 mm
da(min.)(mm)238 mm
ra(max.)(mm)2 mm
Mass(Refer.)(kg)12.4 kg
JTEKT

2026/07/19