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


Bearing No. 32305JR

Specification data (main dimensions, etc.)

d(mm)25
D(mm)62
T(mm)25.25
B(mm)24
C(mm)20
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)76.6
Basic load ratings : C0r(kN)64.1
Fatigue load limit : Cu(kN)9.50
Limiting speeds(Grease lub.)(min-1)6900
Limiting speeds(Oil lub.)(min-1)9100
Load center spread : a(mm)16.6
Constant e0.30
Axial load factors : Y12.00
Axial load factors : Y01.10

Mounting dimensions,weight (reference)

da(min.)(mm)33.5 mm
db(max.)(mm)33 mm
Da(max.)(mm)53.5 mm
da(min.)(mm)52 mm
db(min.)(mm)57 mm
Sa(min.)(mm)3 mm
Sb(min.)(mm)5 mm
ra(max.)(mm)1.5 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.386 kg
JTEKT

2026/08/01