Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series


Bearing No. 1755/29

Specification data (main 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 :e0.31
Axial load factors : Y11.95
Axial load factors : Y01.07

Mounting dimensions,weight (reference)

da(mm)29.0 mm
db(mm)27.5 mm
Da(mm)49.0 mm
Db(mm)51.0 mm
ra(max.)(mm)1.2 mm
rb(max.)(mm)1.2 mm
Mass(Refer.)(kg)0.25 kg
JTEKT

2026/07/18