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


Bearing No. NF210

Specification data (main dimensions, etc.)

d(mm)50
D(mm)90
B(mm)20
r(min.)(mm)1.1
r1(min.)(mm)1.1
Fw(mm)-
Ew(mm)80.4
Basic load ratings : Cr(kN)60.3
Basic load ratings : C0r(kN)51.0
Fatigue load limit : Cu(kN)7.30
Limiting speeds(Grease lub.)(min-1)7100
Limiting speeds(Oil lub.)(min-1)8500
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions,weight (reference)

da(min.)(mm)56.5 mm
db(min.)(mm)- mm
db(max.)(mm)- mm
dc(min.)(mm)- mm
dd(min.)(mm)- mm
Da(max.)(mm)- mm
Db(max.)(mm)83.5 mm
Db(min.)(mm)82 mm
ra(max.)(mm)1 mm
rb(max.)(mm)1 mm
Mass(Refer.)(kg)0.494 kg
JTEKT

2026/07/05