Koyo
FOR REFERENCE ONLY
  • Cylindrical roller bearings
  • Single-row
  • NU


Bearing No. NU1080

Specification data (main dimensions, etc.)

d(mm)400
D(mm)600
B(mm)90
r(min.)(mm)5
r1(min.)(mm)5
Fw(mm)450
Ew(mm)-
Basic load ratings : Cr(kN)1760
Basic load ratings : C0r(kN)2310
Fatigue load limit : Cu(kN)229
Limiting speeds(Grease lub.)(min-1)780
Limiting speeds(Oil lub.)(min-1)920
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions,weight (reference)

da(min.)(mm)- mm
db(min.)(mm)420 mm
db(max.)(mm)446 mm
dc(min.)(mm)- mm
dd(min.)(mm)- mm
Da(max.)(mm)580 mm
Db(max.)(mm)- mm
Db(min.)(mm)- mm
ra(max.)(mm)4 mm
rb(max.)(mm)4 mm
Mass(Refer.)(kg)91.0 kg
JTEKT

2026/07/26