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

Bearing No. 30214JR

Specifications
(Boundary 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 e()0.42
Axial load factors : Y1()1.43
Axial load factors : Y0()0.79

Mounting dimensions

da(min.)(mm)80
db(max.)(mm)81
Da(max.)(mm)116.5
Da(min.)(mm)110
Db(min.)(mm)118
Sa(min.)(mm)4
Sb(min.)(mm)5
ra(max.)(mm)2
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 1.32
JTEKT

2025/06/12