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


Bearing No. NUP348

Specification data (main dimensions, etc.)

d(mm)240
D(mm)500
B(mm)95
r(min.)(mm)5
r1(min.)(mm)5
Fw(mm)310
Ew(mm)-
Basic load ratings : Cr(kN)1790
Basic load ratings : C0r(kN)1950
Fatigue load limit : Cu(kN)211
Limiting speeds(Grease lub.)(min-1)990
Limiting speeds(Oil lub.)(min-1)1300
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions,weight (reference)

da(min.)(mm)260 mm
db(min.)(mm)260 mm
db(max.)(mm)305 mm
dc(min.)(mm)- mm
dd(min.)(mm)- mm
Da(max.)(mm)480 mm
Db(max.)(mm)- mm
Db(min.)(mm)- mm
ra(max.)(mm)4 mm
rb(max.)(mm)4 mm
Mass(Refer.)(kg)105.4 kg
JTEKT

2026/06/29