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

Bearing No. 30226JR

Specifications
(Boundary dimensions ...etc)

d(mm)130
D(mm)230
T(mm)43.75
B(mm)40
C(mm)34
r(min.)(mm)4
r1(min.)(mm)3
Basic load ratings : Cr(kN)472
Basic load ratings : C0r(kN)511
Fatigue load limit : Cu(kN)65.7
Limiting speeds(Grease lub.)(min-1)1600
Limiting speeds(Oil lub.)(min-1)2100
Load center spread : a(mm)46.2
Constant e()0.44
Axial load factors : Y1()1.38
Axial load factors : Y0()0.76

Mounting dimensions

da(min.)(mm)148
db(max.)(mm)152
Da(max.)(mm)216
Da(min.)(mm)203
Db(min.)(mm)218
Sa(min.)(mm)7
Sb(min.)(mm)9.5
ra(max.)(mm)3
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 7.24
JTEKT

2025/06/15