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


Bearing No. LM501349/11

Specification data (main dimensions, etc.)

d(mm)41.275
D(mm)73.431
T(mm)23.012
B(mm)19.812
C(mm)18.186
r(min.)(mm)3.6
r1(min.)(mm)2.4
Basic load ratings : Cr(kN)72.5
Basic load ratings : C0r(kN)73.0
Fatigue load limit : Cu(kN)10.6
Limiting speeds(Grease lub.)(min-1)5200
Limiting speeds(Oil lub.)(min-1)7000
Load center spread : a(mm)16.1
Constant :e0.40
Axial load factors : Y11.50
Axial load factors : Y00.83

Mounting dimensions,weight (reference)

da(mm)53.0 mm
db(mm)46.5 mm
Da(mm)64.0 mm
Db(mm)70.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)2.4 mm
Mass(Refer.)(kg)0.367 kg
JTEKT

2026/07/18