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


Bearing No. M246942/10

Specification data (main dimensions, etc.)

d(mm)231.775
D(mm)336.550
T(mm)65.088
B(mm)65.088
C(mm)50.800
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)887
Basic load ratings : C0r(kN)1380
Fatigue load limit : Cu(kN)150
Limiting speeds(Grease lub.)(min-1)920
Limiting speeds(Oil lub.)(min-1)1200
Load center spread : a(mm)59.9
Constant :e0.33
Axial load factors : Y11.80
Axial load factors : Y00.99

Mounting dimensions,weight (reference)

da(mm)258.0 mm
db(mm)249.0 mm
Da(mm)313.0 mm
Db(mm)322.0 mm
ra(max.)(mm)6.4 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)18.54 kg
JTEKT

2026/07/19