Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 71425/750

Specifications
(Boundary dimensions ...etc)

d(mm)107.950
D(mm)190.500
T(mm)47.625
B(mm)49.212
C(mm)34.925
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)381
Basic load ratings : C0r(kN)483
Fatigue load limit : Cu(kN)60.9
Limiting speeds(Grease lub.)(min-1)1900
Limiting speeds(Oil lub.)(min-1)2600
Load center spread : a(mm)40.9
Constant :e()0.42
Axial load factors : Y1()1.44
Axial load factors : Y0()0.79

Mounting dimensions

da(mm)121.0
db(mm)131.0
Da(mm)167.0
Db(mm)177.0
ra(max.)(mm)3.6
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 5.48
JTEKT

2025/06/01