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


Bearing No. 27690/20

Specification data (main dimensions, etc.)

d(mm)83.345
D(mm)125.412
T(mm)25.400
B(mm)25.400
C(mm)19.845
r(min.)(mm)3.6
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)126
Basic load ratings : C0r(kN)162
Fatigue load limit : Cu(kN)24.4
Limiting speeds(Grease lub.)(min-1)2900
Limiting speeds(Oil lub.)(min-1)3800
Load center spread : a(mm)24.7
Constant :e0.42
Axial load factors : Y11.44
Axial load factors : Y00.79

Mounting dimensions,weight (reference)

da(mm)96.0 mm
db(mm)90.0 mm
Da(mm)115.0 mm
Db(mm)120.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)1.6 mm
Mass(Refer.)(kg)1.033 kg
JTEKT

2026/06/27