Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. JH211749/10

Specifications
(Boundary dimensions ...etc)

d(mm)65.000
D(mm)120.000
T(mm)39.000
B(mm)38.500
C(mm)32.000
r(min.)(mm)3.0
r1(min.)(mm)2.8
Basic load ratings : Cr(kN)236
Basic load ratings : C0r(kN)255
Fatigue load limit : Cu(kN)39.7
Limiting speeds(Grease lub.)(min-1)3200
Limiting speeds(Oil lub.)(min-1)4300
Load center spread : a(mm)27.9
Constant :e()0.34
Axial load factors : Y1()1.78
Axial load factors : Y0()0.98

Mounting dimensions

da(mm)80.0
db(mm)74.0
Da(mm)107.0
Db(mm)114.0
ra(max.)(mm)3.0
rb(max.)(mm)2.8

Refer.

(Refer.)Mass(kg) 1.888
JTEKT

2025/06/01