Koyo
FOR REFERENCE ONLY
  • Cylindrical roller bearings
  • Single-row
  • NN
  • Tapered type


Bearing No. NN3028K

Specification data (main dimensions, etc.)

d(mm)140
D(mm)210
B(mm)53
r(min.)(mm)2
Fw(mm)-
Ew(mm)192
Basic load ratings : Cr(kN)372
Basic load ratings : C0r(kN)516
Fatigue load limit : Cu(kN)61.5
Limiting speeds(Grease lub.)(min-1)2700
Limiting speeds(Oil lub.)(min-1)3300

Mounting dimensions,weight (reference)

da(min.)(mm)149 mm
da(max.)(mm)- mm
db(min.)(mm)- mm
Da(max.)(mm)201 mm
da(min.)(mm)194 mm
ra(max.)(mm)2 mm
Mass(Refer.)(kg)6.21 kg
JTEKT

2026/07/01