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

Bearing No. NH252

Specifications
(Boundary dimensions ...etc)

d(mm)260
D(mm)480
B(mm)80
r(min.)(mm)5
r1(min.)(mm)5
Fw(mm)320
Ew(mm)-
Basic load ratings : Cr(kN)1380
Basic load ratings : C0r(kN)1580
Fatigue load limit : Cu(kN)171
Limiting speeds(Grease lub.)(min-1)1100
Limiting speeds(Oil lub.)(min-1)1300
sd1(mm)340
B1(mm)18
B2(mm)33

Mounting dimensions

da(min.)(mm)280
db(min.)(mm)-
db(max.)(mm)-
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)460
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)4
rb(max.)(mm)4

Refer.

(Refer.)Mass(kg) 77.2
JTEKT

2025/05/19