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


Bearing No. 52400/618

Specification data (main dimensions, etc.)

d(mm)101.600
D(mm)157.162
T(mm)36.512
B(mm)36.116
C(mm)26.195
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)227
Basic load ratings : C0r(kN)288
Fatigue load limit : Cu(kN)41.7
Limiting speeds(Grease lub.)(min-1)2300
Limiting speeds(Oil lub.)(min-1)3000
Load center spread : a(mm)36.0
Constant :e0.47
Axial load factors : Y11.26
Axial load factors : Y00.69

Mounting dimensions,weight (reference)

da(mm)114.0 mm
db(mm)115.0 mm
Da(mm)142.0 mm
Db(mm)153.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)2.364 kg
JTEKT

2026/07/01