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


Bearing No. NF319

Specification data (main dimensions, etc.)

d(mm)95
D(mm)200
B(mm)45
r(min.)(mm)3
r1(min.)(mm)3
Fw(mm)-
Ew(mm)173.5
Basic load ratings : Cr(kN)323
Basic load ratings : C0r(kN)311
Fatigue load limit : Cu(kN)41.3
Limiting speeds(Grease lub.)(min-1)3000
Limiting speeds(Oil lub.)(min-1)4000
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions,weight (reference)

da(min.)(mm)108 mm
db(min.)(mm)- mm
db(max.)(mm)- mm
dc(min.)(mm)- mm
dd(min.)(mm)- mm
Da(max.)(mm)- mm
Db(max.)(mm)187 mm
Db(min.)(mm)178 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)6.32 kg
JTEKT

2026/06/27