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


Bearing No. NU218R

Specification data (main dimensions, etc.)

d(mm)90
D(mm)160
B(mm)30
r(min.)(mm)2
r1(min.)(mm)2
Fw(mm)107
Ew(mm)-
Basic load ratings : Cr(kN)227
Basic load ratings : C0r(kN)217
Fatigue load limit : Cu(kN)28.7
Limiting speeds(Grease lub.)(min-1)3900
Limiting speeds(Oil lub.)(min-1)4700
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions,weight (reference)

da(min.)(mm)- mm
db(min.)(mm)99 mm
db(max.)(mm)105 mm
dc(min.)(mm)- mm
dd(min.)(mm)- mm
Da(max.)(mm)151 mm
Db(max.)(mm)- mm
Db(min.)(mm)- mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)2.38 kg
JTEKT

2026/07/06