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

Bearing No. NU2228

Specifications
(Boundary dimensions ...etc)

d(mm)140
D(mm)250
B(mm)68
r(min.)(mm)3
r1(min.)(mm)3
Fw(mm)169
Ew(mm)-
Basic load ratings : Cr(kN)583
Basic load ratings : C0r(kN)671
Fatigue load limit : Cu(kN)84.3
Limiting speeds(Grease lub.)(min-1)2200
Limiting speeds(Oil lub.)(min-1)2900
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions

da(min.)(mm)-
db(min.)(mm)153
db(max.)(mm)166
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)237
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)2.5
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 14.3
JTEKT

2025/05/25