Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. JM515649/10

Specifications
(Boundary dimensions ...etc)

d(mm)80.000
D(mm)130.000
T(mm)35.000
B(mm)34.000
C(mm)28.500
r(min.)(mm)3.2
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)211
Basic load ratings : C0r(kN)256
Fatigue load limit : Cu(kN)39.3
Limiting speeds(Grease lub.)(min-1)2800
Limiting speeds(Oil lub.)(min-1)3800
Load center spread : a(mm)29.6
Constant :e()0.39
Axial load factors : Y1()1.54
Axial load factors : Y0()0.85

Mounting dimensions

da(mm)94.0
db(mm)88.0
Da(mm)117.0
Db(mm)125.0
ra(max.)(mm)3.2
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 1.765
JTEKT

2025/06/01