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


Bearing No. 13889/36

Specification data (main dimensions, etc.)

d(mm)38.100
D(mm)65.088
T(mm)12.700
B(mm)11.908
C(mm)9.525
r(min.)(mm)1.6
r1(min.)(mm)0.8
Basic load ratings : Cr(kN)32.1
Basic load ratings : C0r(kN)33.1
Fatigue load limit : Cu(kN)4.60
Limiting speeds(Grease lub.)(min-1)5800
Limiting speeds(Oil lub.)(min-1)7700
Load center spread : a(mm)11.9
Constant :e0.35
Axial load factors : Y11.73
Axial load factors : Y00.95

Mounting dimensions,weight (reference)

da(mm)45.0 mm
db(mm)42.5 mm
Da(mm)59.0 mm
Db(mm)61.0 mm
ra(max.)(mm)1.6 mm
rb(max.)(mm)0.8 mm
Mass(Refer.)(kg)0.15 kg
JTEKT

2026/07/16