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

Bearing No. NH317R

Specifications
(Boundary dimensions ...etc)

d(mm)85
D(mm)180
B(mm)41
r(min.)(mm)3
r1(min.)(mm)3
Fw(mm)108
Ew(mm)-
Basic load ratings : Cr(kN)364
Basic load ratings : C0r(kN)330
Fatigue load limit : Cu(kN)48.3
Limiting speeds(Grease lub.)(min-1)3300
Limiting speeds(Oil lub.)(min-1)4400
sd1(mm)117.9
B1(mm)12
B2(mm)18.5

Mounting dimensions

da(min.)(mm)98
db(min.)(mm)-
db(max.)(mm)-
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)167
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)2.5
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 5.485
JTEKT

2025/06/01