Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 13687/21

Specifications
(Boundary dimensions ...etc)

d(mm)38.100
D(mm)69.012
T(mm)19.050
B(mm)19.050
C(mm)15.083
r(min.)(mm)2.0
r1(min.)(mm)2.4
Basic load ratings : Cr(kN)61.7
Basic load ratings : C0r(kN)62.0
Fatigue load limit : Cu(kN)8.95
Limiting speeds(Grease lub.)(min-1)5600
Limiting speeds(Oil lub.)(min-1)7500
Load center spread : a(mm)16.1
Constant :e()0.40
Axial load factors : Y1()1.49
Axial load factors : Y0()0.82

Mounting dimensions

da(mm)46.5
db(mm)43.0
Da(mm)61.0
Db(mm)65.0
ra(max.)(mm)2.0
rb(max.)(mm)2.4

Refer.

(Refer.)Mass(kg) 0.293
JTEKT

2025/06/01