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

Bearing No. NU313R

Specifications
(Boundary dimensions ...etc)

d(mm)65
D(mm)140
B(mm)33
r(min.)(mm)2.1
r1(min.)(mm)2.1
Fw(mm)82.5
Ew(mm)-
Basic load ratings : Cr(kN)226
Basic load ratings : C0r(kN)191
Fatigue load limit : Cu(kN)29.8
Limiting speeds(Grease lub.)(min-1)4300
Limiting speeds(Oil lub.)(min-1)5700
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions

da(min.)(mm)-
db(min.)(mm)76
db(max.)(mm)81
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)129
Db(max.)(mm)-
Db(min.)(mm)-
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 2.31
JTEKT

2025/05/25