Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 1755/29

Specifications
(Boundary dimensions ...etc)

d(mm)22.225
D(mm)56.896
T(mm)19.368
B(mm)19.837
C(mm)15.875
r(min.)(mm)1.2
r1(min.)(mm)1.2
Basic load ratings : Cr(kN)50.0
Basic load ratings : C0r(kN)43.1
Fatigue load limit : Cu(kN)6.20
Limiting speeds(Grease lub.)(min-1)7600
Limiting speeds(Oil lub.)(min-1)10000
Load center spread : a(mm)12.5
Constant :e()0.31
Axial load factors : Y1()1.95
Axial load factors : Y0()1.07

Mounting dimensions

da(mm)29.0
db(mm)27.5
Da(mm)49.0
Db(mm)51.0
ra(max.)(mm)1.2
rb(max.)(mm)1.2

Refer.

(Refer.)Mass(kg) 0.25
JTEKT

2025/06/01