Koyo
FOR REFERENCE ONLY
  • Cylindrical roller bearings
  • Single-row
  • NNU
  • Tapered type
>

Bearing No. NNU4930K

Specifications
(Boundary dimensions ...etc)

d(mm)150
D(mm)210
B(mm)60
r(min.)(mm)2
Fw(mm)168.5
Ew(mm)-
Basic load ratings : Cr(kN)430
Basic load ratings : C0r(kN)692
Fatigue load limit : Cu(kN)80.7
Limiting speeds(Grease lub.)(min-1)2600
Limiting speeds(Oil lub.)(min-1)3100

Mounting dimensions

da(min.)(mm)159
da(max.)(mm)166
db(min.)(mm)171
Da(max.)(mm)201
Da(min.)(mm)-
ra(max.)(mm)2

Refer.

(Refer.)Mass(kg) 6.22
JTEKT

2025/06/01