Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 33006JR

Specifications
(Boundary dimensions ...etc)

d(mm)30
D(mm)55
T(mm)20
B(mm)20
C(mm)16
r(min.)(mm)1
r1(min.)(mm)1
Basic load ratings : Cr(kN)54.1
Basic load ratings : C0r(kN)55.2
Fatigue load limit : Cu(kN)7.90
Limiting speeds(Grease lub.)(min-1)7000
Limiting speeds(Oil lub.)(min-1)9400
Load center spread : a(mm)13.0
Constant e()0.29
Axial load factors : Y1()2.06
Axial load factors : Y0()1.13

Mounting dimensions

da(min.)(mm)35.5
db(max.)(mm)36
Da(max.)(mm)49.5
Da(min.)(mm)48
Db(min.)(mm)52
Sa(min.)(mm)3
Sb(min.)(mm)4
ra(max.)(mm)1
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.203
JTEKT

2025/06/01