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


Bearing No. NH2238R

Specification data (main dimensions, etc.)

d(mm)190
D(mm)340
B(mm)92
r(min.)(mm)4
r1(min.)(mm)4
Fw(mm)228
Ew(mm)-
Basic load ratings : Cr(kN)1380
Basic load ratings : C0r(kN)1670
Fatigue load limit : Cu(kN)189
Limiting speeds(Grease lub.)(min-1)1500
Limiting speeds(Oil lub.)(min-1)2000
sd1(mm)243.2
B1(mm)13
B2(mm)26.5

Mounting dimensions,weight (reference)

da(min.)(mm)206 mm
db(min.)(mm)- mm
db(max.)(mm)- mm
dc(min.)(mm)- mm
dd(min.)(mm)- mm
Da(max.)(mm)324 mm
Db(max.)(mm)- mm
Db(min.)(mm)- mm
ra(max.)(mm)3 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)40.21 kg
JTEKT

2026/07/01