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


Bearing No. 32968JR

Specification data (main dimensions, etc.)

d(mm)340
D(mm)460
T(mm)76
B(mm)76
C(mm)57
r(min.)(mm)4
r1(min.)(mm)3
Basic load ratings : Cr(kN)1340
Basic load ratings : C0r(kN)2340
Fatigue load limit : Cu(kN)229
Limiting speeds(Grease lub.)(min-1)590
Limiting speeds(Oil lub.)(min-1)790
Load center spread : a(mm)90.5
Constant e0.44
Axial load factors : Y11.37
Axial load factors : Y00.75

Mounting dimensions,weight (reference)

da(min.)(mm)358 mm
db(max.)(mm)361 mm
Da(max.)(mm)446 mm
da(min.)(mm)420 mm
db(min.)(mm)446 mm
Sa(min.)(mm)12 mm
Sb(min.)(mm)19 mm
ra(max.)(mm)3 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)35.6 kg
JTEKT

2026/08/13