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

Bearing No. NH420

Specifications
(Boundary dimensions ...etc)

d(mm)100
D(mm)250
B(mm)58
r(min.)(mm)4
r1(min.)(mm)4
Fw(mm)139
Ew(mm)-
Basic load ratings : Cr(kN)560
Basic load ratings : C0r(kN)498
Fatigue load limit : Cu(kN)67.3
Limiting speeds(Grease lub.)(min-1)2500
Limiting speeds(Oil lub.)(min-1)3300
sd1(mm)153.5
B1(mm)16
B2(mm)27

Mounting dimensions

da(min.)(mm)116
db(min.)(mm)-
db(max.)(mm)-
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)234
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)3
rb(max.)(mm)3

Refer.

(Refer.)Mass(kg) 15.7
JTEKT

2025/06/01