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

Bearing No. NH306R

Specifications
(Boundary dimensions ...etc)

d(mm)30
D(mm)72
B(mm)19
r(min.)(mm)1.1
r1(min.)(mm)1.1
Fw(mm)40.5
Ew(mm)-
Basic load ratings : Cr(kN)66.5
Basic load ratings : C0r(kN)50.2
Fatigue load limit : Cu(kN)6.80
Limiting speeds(Grease lub.)(min-1)8700
Limiting speeds(Oil lub.)(min-1)12000
sd1(mm)45.1
B1(mm)5
B2(mm)8.5

Mounting dimensions

da(min.)(mm)36.5
db(min.)(mm)-
db(max.)(mm)-
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)65.5
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)1
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.424
JTEKT

2025/06/01