Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series


Bearing No. 30213JR

Specification data (main dimensions, etc.)

d(mm)65
D(mm)120
T(mm)24.75
B(mm)23
C(mm)20
r(min.)(mm)2
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)160
Basic load ratings : C0r(kN)156
Fatigue load limit : Cu(kN)24.3
Limiting speeds(Grease lub.)(min-1)3200
Limiting speeds(Oil lub.)(min-1)4300
Load center spread : a(mm)24.2
Constant e0.40
Axial load factors : Y11.48
Axial load factors : Y00.81

Mounting dimensions,weight (reference)

da(min.)(mm)75 mm
db(max.)(mm)77 mm
Da(max.)(mm)110 mm
da(min.)(mm)106 mm
db(min.)(mm)113 mm
Sa(min.)(mm)4 mm
Sb(min.)(mm)4.5 mm
ra(max.)(mm)2 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)1.18 kg
JTEKT

2026/07/29