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


Bearing No. 30214JR

Specification data (main dimensions, etc.)

d(mm)70
D(mm)125
T(mm)26.25
B(mm)24
C(mm)21
r(min.)(mm)2
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)173
Basic load ratings : C0r(kN)173
Fatigue load limit : Cu(kN)27.1
Limiting speeds(Grease lub.)(min-1)3100
Limiting speeds(Oil lub.)(min-1)4100
Load center spread : a(mm)25.9
Constant e0.42
Axial load factors : Y11.43
Axial load factors : Y00.79

Mounting dimensions,weight (reference)

da(min.)(mm)80 mm
db(max.)(mm)81 mm
Da(max.)(mm)116.5 mm
da(min.)(mm)110 mm
db(min.)(mm)118 mm
Sa(min.)(mm)4 mm
Sb(min.)(mm)5 mm
ra(max.)(mm)2 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)1.32 kg
JTEKT

2026/08/02