Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 498/492A

Specifications
(Boundary dimensions ...etc)

d(mm)84.138
D(mm)133.350
T(mm)30.162
B(mm)29.769
C(mm)22.225
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)167
Basic load ratings : C0r(kN)198
Fatigue load limit : Cu(kN)30.0
Limiting speeds(Grease lub.)(min-1)2700
Limiting speeds(Oil lub.)(min-1)3600
Load center spread : a(mm)29.8
Constant :e()0.44
Axial load factors : Y1()1.35
Axial load factors : Y0()0.74

Mounting dimensions

da(mm)98.0
db(mm)91.0
Da(mm)120.0
Db(mm)128.0
ra(max.)(mm)3.6
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 1.469
JTEKT

2025/06/01