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


Bearing No. NH2248

Specification data (main dimensions, etc.)

d(mm)240
D(mm)440
B(mm)120
r(min.)(mm)4
r1(min.)(mm)4
Fw(mm)295
Ew(mm)-
Basic load ratings : Cr(kN)1790
Basic load ratings : C0r(kN)2320
Fatigue load limit : Cu(kN)246
Limiting speeds(Grease lub.)(min-1)1100
Limiting speeds(Oil lub.)(min-1)1500
sd1(mm)313
B1(mm)16
B2(mm)38.5

Mounting dimensions,weight (reference)

da(min.)(mm)256 mm
db(min.)(mm)- mm
db(max.)(mm)- mm
dc(min.)(mm)- mm
dd(min.)(mm)- mm
Da(max.)(mm)424 mm
Db(max.)(mm)- mm
Db(min.)(mm)- mm
ra(max.)(mm)3 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)89.15 kg
JTEKT

2026/07/01