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


Bearing No. LM11949/10

Specification data (main dimensions, etc.)

d(mm)19.050
D(mm)45.237
T(mm)15.494
B(mm)16.637
C(mm)12.065
r(min.)(mm)1.2
r1(min.)(mm)1.2
Basic load ratings : Cr(kN)36.8
Basic load ratings : C0r(kN)30.1
Fatigue load limit : Cu(kN)4.25
Limiting speeds(Grease lub.)(min-1)9400
Limiting speeds(Oil lub.)(min-1)13000
Load center spread : a(mm)10.0
Constant :e0.30
Axial load factors : Y12.00
Axial load factors : Y01.10

Mounting dimensions,weight (reference)

da(mm)25.0 mm
db(mm)23.5 mm
Da(mm)39.5 mm
Db(mm)41.5 mm
ra(max.)(mm)1.2 mm
rb(max.)(mm)1.2 mm
Mass(Refer.)(kg)0.125 kg
JTEKT

2026/08/04