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


Bearing No. 575R/572

Specification data (main dimensions, etc.)

d(mm)76.200
D(mm)139.992
T(mm)36.512
B(mm)36.098
C(mm)28.575
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)220
Basic load ratings : C0r(kN)262
Fatigue load limit : Cu(kN)39.8
Limiting speeds(Grease lub.)(min-1)2700
Limiting speeds(Oil lub.)(min-1)3600
Load center spread : a(mm)31.0
Constant :e0.40
Axial load factors : Y11.49
Axial load factors : Y00.82

Mounting dimensions,weight (reference)

da(mm)92.0 mm
db(mm)86.0 mm
Da(mm)125.0 mm
Db(mm)133.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)2.419 kg
JTEKT

2026/07/01