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


Bearing No. NU1021

Specification data (main dimensions, etc.)

d(mm)105
D(mm)160
B(mm)26
r(min.)(mm)2
r1(min.)(mm)1.1
Fw(mm)119.5
Ew(mm)-
Basic load ratings : Cr(kN)136
Basic load ratings : C0r(kN)149
Fatigue load limit : Cu(kN)19.6
Limiting speeds(Grease lub.)(min-1)4100
Limiting speeds(Oil lub.)(min-1)4800
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions,weight (reference)

da(min.)(mm)- mm
db(min.)(mm)111.5 mm
db(max.)(mm)118 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)1 mm
Mass(Refer.)(kg)1.85 kg
JTEKT

2026/06/24