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


Bearing No. 59200/412

Specification data (main dimensions, etc.)

d(mm)50.800
D(mm)104.775
T(mm)36.512
B(mm)36.512
C(mm)28.575
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)185
Basic load ratings : C0r(kN)187
Fatigue load limit : Cu(kN)28.6
Limiting speeds(Grease lub.)(min-1)3900
Limiting speeds(Oil lub.)(min-1)5100
Load center spread : a(mm)26.9
Constant :e0.40
Axial load factors : Y11.49
Axial load factors : Y00.82

Mounting dimensions,weight (reference)

da(mm)68.0 mm
db(mm)61.0 mm
Da(mm)92.0 mm
Db(mm)99.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)1.39 kg
JTEKT

2026/07/19