Koyo
FOR REFERENCE ONLY
  • Cylindrical roller bearings
  • Single-row
  • N


Bearing No. N317

Specification data (main dimensions, etc.)

d(mm)85
D(mm)180
B(mm)41
r(min.)(mm)3
r1(min.)(mm)3
Fw(mm)-
Ew(mm)156
Basic load ratings : Cr(kN)281
Basic load ratings : C0r(kN)247
Fatigue load limit : Cu(kN)35.6
Limiting speeds(Grease lub.)(min-1)3300
Limiting speeds(Oil lub.)(min-1)4500
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions,weight (reference)

da(min.)(mm)98 mm
db(min.)(mm)- mm
db(max.)(mm)- mm
dc(min.)(mm)- mm
dd(min.)(mm)- mm
Da(max.)(mm)- mm
Db(max.)(mm)167 mm
Db(min.)(mm)160 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)4.41 kg
JTEKT

2026/07/05