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


Bearing No. M84249/10

Specification data (main dimensions, etc.)

d(mm)25.400
D(mm)59.530
T(mm)23.368
B(mm)23.114
C(mm)18.288
r(min.)(mm)0.8
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)63.0
Basic load ratings : C0r(kN)57.1
Fatigue load limit : Cu(kN)7.95
Limiting speeds(Grease lub.)(min-1)7200
Limiting speeds(Oil lub.)(min-1)9600
Load center spread : a(mm)18.2
Constant :e0.55
Axial load factors : Y11.10
Axial load factors : Y00.60

Mounting dimensions,weight (reference)

da(mm)36.0 mm
db(mm)32.5 mm
Da(mm)49.5 mm
Db(mm)56.0 mm
ra(max.)(mm)0.8 mm
rb(max.)(mm)1.6 mm
Mass(Refer.)(kg)0.322 kg
JTEKT

2026/08/08