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


Bearing No. 32307JR

Specification data (main dimensions, etc.)

d(mm)35
D(mm)80
T(mm)32.75
B(mm)31
C(mm)25
r(min.)(mm)2
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)126
Basic load ratings : C0r(kN)114
Fatigue load limit : Cu(kN)17.3
Limiting speeds(Grease lub.)(min-1)5300
Limiting speeds(Oil lub.)(min-1)7000
Load center spread : a(mm)20.6
Constant e0.31
Axial load factors : Y11.90
Axial load factors : Y01.05

Mounting dimensions,weight (reference)

da(min.)(mm)45 mm
db(max.)(mm)44 mm
Da(max.)(mm)70 mm
da(min.)(mm)66 mm
db(min.)(mm)74 mm
Sa(min.)(mm)3 mm
Sb(min.)(mm)7.5 mm
ra(max.)(mm)2 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.776 kg
JTEKT

2026/07/07