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


Bearing No. 32908JR

Specification data (main dimensions, etc.)

d(mm)40
D(mm)62
T(mm)15
B(mm)15
C(mm)12
r(min.)(mm)0.6
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)42.1
Basic load ratings : C0r(kN)48.5
Fatigue load limit : Cu(kN)6.90
Limiting speeds(Grease lub.)(min-1)5900
Limiting speeds(Oil lub.)(min-1)7800
Load center spread : a(mm)11.9
Constant e0.29
Axial load factors : Y12.07
Axial load factors : Y01.14

Mounting dimensions,weight (reference)

da(min.)(mm)44.5 mm
db(max.)(mm)45 mm
Da(max.)(mm)57.5 mm
da(min.)(mm)55 mm
db(min.)(mm)59 mm
Sa(min.)(mm)3 mm
Sb(min.)(mm)3 mm
ra(max.)(mm)0.6 mm
rb(max.)(mm)0.6 mm
Mass(Refer.)(kg)0.164 kg
JTEKT

2026/07/31