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


Bearing No. NN3076K

Specification data (main dimensions, etc.)

d(mm)380
D(mm)560
B(mm)135
r(min.)(mm)5
Fw(mm)-
Ew(mm)510
Basic load ratings : Cr(kN)2050
Basic load ratings : C0r(kN)3350
Fatigue load limit : Cu(kN)337
Limiting speeds(Grease lub.)(min-1)780
Limiting speeds(Oil lub.)(min-1)940

Mounting dimensions,weight (reference)

da(min.)(mm)400 mm
da(max.)(mm)- mm
db(min.)(mm)- mm
Da(max.)(mm)540 mm
da(min.)(mm)514 mm
ra(max.)(mm)4 mm
Mass(Refer.)(kg)109 kg
JTEKT

2026/07/08