FOR REFERENCE ONLY
  • Cylindrical roller bearings
  • Single-row
  • NNU
  • Cylindrical bore
>

Bearing No. NNU4952

Specifications
(Boundary dimensions ...etc)

d(mm)260
D(mm)360
B(mm)100
r(min.)(mm)2.1
Fw(mm)287
Ew(mm)-
Basic load ratings : Cr(kN)1180
Basic load ratings : C0r(kN)2050
Fatigue load limit : Cu(kN)228
Limiting speeds(Grease lub.)(min-1)1400
Limiting speeds(Oil lub.)(min-1)1700

Mounting dimensions

da(min.)(mm)271
da(max.)(mm)284
db(min.)(mm)296
Da(max.)(mm)349
Da(min.)(mm)-
ra(max.)(mm)2

Refer.

(Refer.)Mass(kg) 31.4
JTEKT

2025/06/01