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


Bearing No. NJ224R

Specification data (main dimensions, etc.)

d(mm)120
D(mm)215
B(mm)40
r(min.)(mm)2.1
r1(min.)(mm)2.1
Fw(mm)143.5
Ew(mm)-
Basic load ratings : Cr(kN)419
Basic load ratings : C0r(kN)421
Fatigue load limit : Cu(kN)57.6
Limiting speeds(Grease lub.)(min-1)2800
Limiting speeds(Oil lub.)(min-1)3400
sd1(mm)-
B1(mm)-
B2(mm)-

Mounting dimensions,weight (reference)

da(min.)(mm)- mm
db(min.)(mm)131 mm
db(max.)(mm)141 mm
dc(min.)(mm)- mm
dd(min.)(mm)- mm
Da(max.)(mm)204 mm
Db(max.)(mm)- mm
Db(min.)(mm)- mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)6.01 kg
JTEKT

2026/07/18