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

Bearing No. NF320

Specifications
(Boundary dimensions ...etc)

d(mm)100
D(mm)215
B(mm)47
r(min.)(mm)3
r1(min.)(mm)3
Fw(mm)-
Ew(mm)185.5
Basic load ratings : Cr(kN)373
Basic load ratings : C0r(kN)337
Fatigue load limit : Cu(kN)47.2
Limiting speeds(Grease lub.)(min-1)2800
Limiting speeds(Oil lub.)(min-1)3700
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions

da(min.)(mm)113
db(min.)(mm)-
db(max.)(mm)-
dc(min.)(mm)-
dd(min.)(mm)-
Da(max.)(mm)-
Db(max.)(mm)202
Db(min.)(mm)190
ra(max.)(mm)2.5
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 7.79
JTEKT

2025/06/19