Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. JM511946/10

Specifications
(Boundary dimensions ...etc)

d(mm)65.000
D(mm)110.000
T(mm)28.000
B(mm)28.000
C(mm)22.500
r(min.)(mm)3.0
r1(min.)(mm)2.8
Basic load ratings : Cr(kN)170
Basic load ratings : C0r(kN)191
Fatigue load limit : Cu(kN)29.4
Limiting speeds(Grease lub.)(min-1)3400
Limiting speeds(Oil lub.)(min-1)4600
Load center spread : a(mm)24.5
Constant :e()0.40
Axial load factors : Y1()1.49
Axial load factors : Y0()0.82

Mounting dimensions

da(mm)78.0
db(mm)72.0
Da(mm)99.0
Db(mm)105.0
ra(max.)(mm)3.0
rb(max.)(mm)2.8

Refer.

(Refer.)Mass(kg) 1.071
JTEKT

2025/06/01