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


Bearing No. NH411

Specification data (main dimensions, etc.)

d(mm)55
D(mm)140
B(mm)33
r(min.)(mm)2.1
r1(min.)(mm)2.1
Fw(mm)77.2
Ew(mm)-
Basic load ratings : Cr(kN)174
Basic load ratings : C0r(kN)138
Fatigue load limit : Cu(kN)19.6
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)6100
sd1(mm)85.2
B1(mm)10
B2(mm)16.5

Mounting dimensions,weight (reference)

da(min.)(mm)66 mm
db(min.)(mm)- mm
db(max.)(mm)- mm
dc(min.)(mm)- mm
dd(min.)(mm)- mm
Da(max.)(mm)129 mm
Db(max.)(mm)- mm
Db(min.)(mm)- mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)2.85 kg
JTEKT

2026/07/04