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


Bearing No. 31594/20

Specification data (main dimensions, etc.)

d(mm)34.925
D(mm)76.200
T(mm)29.370
B(mm)28.575
C(mm)23.812
r(min.)(mm)1.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)101
Basic load ratings : C0r(kN)97.4
Fatigue load limit : Cu(kN)14.4
Limiting speeds(Grease lub.)(min-1)5400
Limiting speeds(Oil lub.)(min-1)7200
Load center spread : a(mm)21.6
Constant :e0.40
Axial load factors : Y11.49
Axial load factors : Y00.82

Mounting dimensions,weight (reference)

da(mm)46.0 mm
db(mm)43.5 mm
Da(mm)64.0 mm
Db(mm)72.0 mm
ra(max.)(mm)1.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)0.62 kg
JTEKT

2026/07/19