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


Bearing No. JM515649/10

Specification data (main dimensions, etc.)

d(mm)80.000
D(mm)130.000
T(mm)35.000
B(mm)34.000
C(mm)28.500
r(min.)(mm)3.2
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)211
Basic load ratings : C0r(kN)256
Fatigue load limit : Cu(kN)39.3
Limiting speeds(Grease lub.)(min-1)2800
Limiting speeds(Oil lub.)(min-1)3800
Load center spread : a(mm)29.6
Constant :e0.39
Axial load factors : Y11.54
Axial load factors : Y00.85

Mounting dimensions,weight (reference)

da(mm)94.0 mm
db(mm)88.0 mm
Da(mm)117.0 mm
Db(mm)125.0 mm
ra(max.)(mm)3.2 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)1.765 kg
JTEKT

2026/07/01