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

Bearing No. NU244

Specifications
(Boundary dimensions ...etc)

d(mm)220
D(mm)400
B(mm)65
r(min.)(mm)4
r1(min.)(mm)4
Fw(mm)270
Ew(mm)-
Basic load ratings : Cr(kN)949
Basic load ratings : C0r(kN)1080
Fatigue load limit : Cu(kN)123
Limiting speeds(Grease lub.)(min-1)1400
Limiting speeds(Oil lub.)(min-1)1700
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions

da(min.)(mm)-
db(min.)(mm)236
db(max.)(mm)266
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)384
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)3
rb(max.)(mm)3

Refer.

(Refer.)Mass(kg) 38.5
JTEKT

2025/05/25