Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. HM88630/10

Specifications
(Boundary dimensions ...etc)

d(mm)25.400
D(mm)72.233
T(mm)25.400
B(mm)25.400
C(mm)19.842
r(min.)(mm)0.8
r1(min.)(mm)2.4
Basic load ratings : Cr(kN)83.8
Basic load ratings : C0r(kN)87.4
Fatigue load limit : Cu(kN)12.4
Limiting speeds(Grease lub.)(min-1)5700
Limiting speeds(Oil lub.)(min-1)7600
Load center spread : a(mm)20.7
Constant :e()0.55
Axial load factors : Y1()1.10
Axial load factors : Y0()0.60

Mounting dimensions

da(mm)39.5
db(mm)39.5
Da(mm)60.0
Db(mm)69.0
ra(max.)(mm)0.8
rb(max.)(mm)2.4

Refer.

(Refer.)Mass(kg) 0.576
JTEKT

2025/06/01