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

Bearing No. NF313

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)-
Ew(mm)121.5
Basic load ratings : Cr(kN)169
Basic load ratings : C0r(kN)139
Fatigue load limit : Cu(kN)19.2
Limiting speeds(Grease lub.)(min-1)4300
Limiting speeds(Oil lub.)(min-1)5800
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions

da(min.)(mm)76
db(min.)(mm)-
db(max.)(mm)-
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)-
Db(max.)(mm)129
Db(min.)(mm)125
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 2.29
JTEKT

2025/07/01