Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 29685/20

Specifications
(Boundary dimensions ...etc)

d(mm)73.025
D(mm)112.712
T(mm)25.400
B(mm)25.400
C(mm)19.050
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)122
Basic load ratings : C0r(kN)155
Fatigue load limit : Cu(kN)23.3
Limiting speeds(Grease lub.)(min-1)3200
Limiting speeds(Oil lub.)(min-1)4300
Load center spread : a(mm)26.2
Constant :e()0.49
Axial load factors : Y1()1.23
Axial load factors : Y0()0.68

Mounting dimensions

da(mm)86.0
db(mm)80.0
Da(mm)101.0
Db(mm)109.0
ra(max.)(mm)3.6
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 0.872
JTEKT

2025/06/01