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


Bearing No. 56425R/650

Specification data (main dimensions, etc.)

d(mm)107.950
D(mm)165.100
T(mm)36.512
B(mm)36.512
C(mm)26.988
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)245
Basic load ratings : C0r(kN)325
Fatigue load limit : Cu(kN)46.3
Limiting speeds(Grease lub.)(min-1)2200
Limiting speeds(Oil lub.)(min-1)2900
Load center spread : a(mm)38.6
Constant :e0.50
Axial load factors : Y11.21
Axial load factors : Y00.66

Mounting dimensions,weight (reference)

da(mm)123.0 mm
db(mm)117.0 mm
Da(mm)149.0 mm
Db(mm)159.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)2.612 kg
JTEKT

2026/07/05