Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. JM734449/10

Specifications
(Boundary dimensions ...etc)

d(mm)170.000
D(mm)240.000
T(mm)46.000
B(mm)44.500
C(mm)37.000
r(min.)(mm)3.0
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)443
Basic load ratings : C0r(kN)666
Fatigue load limit : Cu(kN)77.1
Limiting speeds(Grease lub.)(min-1)1400
Limiting speeds(Oil lub.)(min-1)1800
Load center spread : a(mm)50.6
Constant :e()0.44
Axial load factors : Y1()1.37
Axial load factors : Y0()0.75

Mounting dimensions

da(mm)181.0
db(mm)184.0
Da(mm)220.0
Db(mm)231.0
ra(max.)(mm)3.0
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 6.31
JTEKT

2025/06/01