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


Bearing No. 32048JR

Specification data (main dimensions, etc.)

d(mm)240
D(mm)360
T(mm)76
B(mm)76
C(mm)57
r(min.)(mm)4
r1(min.)(mm)3
Basic load ratings : Cr(kN)1160
Basic load ratings : C0r(kN)1720
Fatigue load limit : Cu(kN)180
Limiting speeds(Grease lub.)(min-1)870
Limiting speeds(Oil lub.)(min-1)1200
Load center spread : a(mm)78.5
Constant e0.46
Axial load factors : Y11.31
Axial load factors : Y00.72

Mounting dimensions,weight (reference)

da(min.)(mm)258 mm
db(max.)(mm)261 mm
Da(max.)(mm)346 mm
da(min.)(mm)318 mm
db(min.)(mm)346 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)26.8 kg
JTEKT

2026/07/05