Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 08125/231

Specifications
(Boundary dimensions ...etc)

d(mm)31.750
D(mm)58.738
T(mm)14.684
B(mm)15.080
C(mm)10.716
r(min.)(mm)1.0
r1(min.)(mm)1.0
Basic load ratings : Cr(kN)37.0
Basic load ratings : C0r(kN)33.3
Fatigue load limit : Cu(kN)4.60
Limiting speeds(Grease lub.)(min-1)6600
Limiting speeds(Oil lub.)(min-1)8900
Load center spread : a(mm)13.5
Constant :e()0.48
Axial load factors : Y1()1.26
Axial load factors : Y0()0.69

Mounting dimensions

da(mm)37.5
db(mm)36.0
Da(mm)52.0
Db(mm)55.0
ra(max.)(mm)1.0
rb(max.)(mm)1.0

Refer.

(Refer.)Mass(kg) 0.165
JTEKT

2025/06/01