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


Bearing No. HM804848/10

Specification data (main dimensions, etc.)

d(mm)48.412
D(mm)95.250
T(mm)30.162
B(mm)29.370
C(mm)23.020
r(min.)(mm)2.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)130
Basic load ratings : C0r(kN)140
Fatigue load limit : Cu(kN)20.7
Limiting speeds(Grease lub.)(min-1)3300
Limiting speeds(Oil lub.)(min-1)4400
Load center spread : a(mm)26.5
Constant :e0.55
Axial load factors : Y11.10
Axial load factors : Y00.60

Mounting dimensions,weight (reference)

da(mm)63.0 mm
db(mm)57.5 mm
Da(mm)81.0 mm
Db(mm)91.0 mm
ra(max.)(mm)2.4 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)0.957 kg
JTEKT

2026/07/04