Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. JM738249/10

Specifications
(Boundary dimensions ...etc)

d(mm)190.000
D(mm)260.000
T(mm)46.000
B(mm)44.000
C(mm)36.500
r(min.)(mm)3.0
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)461
Basic load ratings : C0r(kN)723
Fatigue load limit : Cu(kN)81.4
Limiting speeds(Grease lub.)(min-1)1200
Limiting speeds(Oil lub.)(min-1)1700
Load center spread : a(mm)56.0
Constant :e()0.48
Axial load factors : Y1()1.26
Axial load factors : Y0()0.69

Mounting dimensions

da(mm)201.0
db(mm)203.0
Da(mm)240.0
Db(mm)251.0
ra(max.)(mm)3.0
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 6.89
JTEKT

2025/06/01