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

Bearing No. 322/28R

Specifications
(Boundary dimensions ...etc)

d(mm)28
D(mm)58
T(mm)20.25
B(mm)19
C(mm)16
r(min.)(mm)1
r1(min.)(mm)1
Basic load ratings : Cr(kN)61.5
Basic load ratings : C0r(kN)55.2
Fatigue load limit : Cu(kN)7.95
Limiting speeds(Grease lub.)(min-1)6900
Limiting speeds(Oil lub.)(min-1)9100
Load center spread : a(mm)15.0
Constant e()0.37
Axial load factors : Y1()1.60
Axial load factors : Y0()0.88

Mounting dimensions

da(min.)(mm)33.5
db(max.)(mm)35
Da(max.)(mm)52.5
Da(min.)(mm)49
Db(min.)(mm)54.5
Sa(min.)(mm)2
Sb(min.)(mm)4
ra(max.)(mm)1
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.244
JTEKT

2025/05/14