Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. HM88542/10

Specifications
(Boundary dimensions ...etc)

d(mm)31.750
D(mm)73.025
T(mm)29.370
B(mm)27.783
C(mm)23.020
r(min.)(mm)1.2
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)93.0
Basic load ratings : C0r(kN)101
Fatigue load limit : Cu(kN)14.2
Limiting speeds(Grease lub.)(min-1)5600
Limiting speeds(Oil lub.)(min-1)7500
Load center spread : a(mm)23.4
Constant :e()0.55
Axial load factors : Y1()1.10
Axial load factors : Y0()0.60

Mounting dimensions

da(mm)45.5
db(mm)42.5
Da(mm)59.0
Db(mm)70.0
ra(max.)(mm)1.2
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 0.615
JTEKT

2025/06/01