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

Bearing No. NU1044

Specifications
(Boundary dimensions ...etc)

d(mm)220
D(mm)340
B(mm)56
r(min.)(mm)3
r1(min.)(mm)3
Fw(mm)250
Ew(mm)-
Basic load ratings : Cr(kN)637
Basic load ratings : C0r(kN)748
Fatigue load limit : Cu(kN)88.1
Limiting speeds(Grease lub.)(min-1)1700
Limiting speeds(Oil lub.)(min-1)2000
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions

da(min.)(mm)-
db(min.)(mm)233
db(max.)(mm)248
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)327
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)2.5
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 18.5
JTEKT

2025/06/01