Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 482/472

Specifications
(Boundary dimensions ...etc)

d(mm)69.850
D(mm)120.000
T(mm)29.794
B(mm)29.007
C(mm)24.237
r(min.)(mm)3.6
r1(min.)(mm)2.0
Basic load ratings : Cr(kN)148
Basic load ratings : C0r(kN)161
Fatigue load limit : Cu(kN)25.0
Limiting speeds(Grease lub.)(min-1)3200
Limiting speeds(Oil lub.)(min-1)4200
Load center spread : a(mm)25.7
Constant :e()0.38
Axial load factors : Y1()1.56
Axial load factors : Y0()0.86

Mounting dimensions

da(mm)83.0
db(mm)77.0
Da(mm)108.0
Db(mm)113.0
ra(max.)(mm)3.6
rb(max.)(mm)2.0

Refer.

(Refer.)Mass(kg) 1.278
JTEKT

2025/06/01