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


Bearing No. M249732/10

Specification data (main dimensions, etc.)

d(mm)228.600
D(mm)358.775
T(mm)71.438
B(mm)71.438
C(mm)53.975
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)968
Basic load ratings : C0r(kN)1590
Fatigue load limit : Cu(kN)166
Limiting speeds(Grease lub.)(min-1)840
Limiting speeds(Oil lub.)(min-1)1100
Load center spread : a(mm)64.4
Constant :e0.33
Axial load factors : Y11.80
Axial load factors : Y00.99

Mounting dimensions,weight (reference)

da(mm)242.0 mm
db(mm)279.0 mm
Da(mm)330.0 mm
Db(mm)343.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)26.54 kg
JTEKT

2026/07/05