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


Bearing No. 30213CR

Specification data (main dimensions, etc.)

d(mm)65
D(mm)120
T(mm)24.75
B(mm)23
C(mm)18
r(min.)(mm)2
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)145
Basic load ratings : C0r(kN)139
Fatigue load limit : Cu(kN)21.5
Limiting speeds(Grease lub.)(min-1)3200
Limiting speeds(Oil lub.)(min-1)4300
Load center spread : a(mm)28.1
Constant e0.55
Axial load factors : Y11.10
Axial load factors : Y00.60

Mounting dimensions,weight (reference)

da(min.)(mm)75 mm
db(max.)(mm)77 mm
Da(max.)(mm)110 mm
da(min.)(mm)102 mm
db(min.)(mm)114 mm
Sa(min.)(mm)4 mm
Sb(min.)(mm)6.5 mm
ra(max.)(mm)2 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)1.15 kg
JTEKT

2026/07/05