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


Bearing No. 32006JR

Specification data (main dimensions, etc.)

d(mm)30
D(mm)55
T(mm)17
B(mm)17
C(mm)13
r(min.)(mm)1
r1(min.)(mm)1
Basic load ratings : Cr(kN)47.9
Basic load ratings : C0r(kN)48.0
Fatigue load limit : Cu(kN)6.75
Limiting speeds(Grease lub.)(min-1)7000
Limiting speeds(Oil lub.)(min-1)9400
Load center spread : a(mm)13.6
Constant e0.43
Axial load factors : Y11.39
Axial load factors : Y00.77

Mounting dimensions,weight (reference)

da(min.)(mm)35.5 mm
db(max.)(mm)35 mm
Da(max.)(mm)49.5 mm
da(min.)(mm)47 mm
db(min.)(mm)52 mm
Sa(min.)(mm)3 mm
Sb(min.)(mm)4 mm
ra(max.)(mm)1 mm
rb(max.)(mm)1 mm
Mass(Refer.)(kg)0.177 kg
JTEKT

2026/07/05