Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 18200/337

Specifications
(Boundary 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 :e()0.57
Axial load factors : Y1()1.06
Axial load factors : Y0()0.58

Mounting dimensions

da(mm)59.0
db(mm)56.0
Da(mm)76.0
Db(mm)81.0
ra(max.)(mm)1.6
rb(max.)(mm)1.6

Refer.

(Refer.)Mass(kg) 0.402
JTEKT

2025/06/01