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


Bearing No. 18200/337

Specification data (main dimensions, etc.)

d(mm)50.800
D(mm)85.725
T(mm)19.050
B(mm)18.263
C(mm)12.700
r(min.)(mm)1.6
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)63.8
Basic load ratings : C0r(kN)66.4
Fatigue load limit : Cu(kN)9.55
Limiting speeds(Grease lub.)(min-1)4400
Limiting speeds(Oil lub.)(min-1)5900
Load center spread : a(mm)22.7
Constant :e0.57
Axial load factors : Y11.06
Axial load factors : Y00.58

Mounting dimensions,weight (reference)

da(mm)59.0 mm
db(mm)56.0 mm
Da(mm)76.0 mm
Db(mm)81.0 mm
ra(max.)(mm)1.6 mm
rb(max.)(mm)1.6 mm
Mass(Refer.)(kg)0.402 kg
JTEKT

2026/07/19