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


Bearing No. 375/374

Specification data (main dimensions, etc.)

d(mm)50.800
D(mm)93.264
T(mm)20.638
B(mm)22.225
C(mm)15.083
r(min.)(mm)2.4
r1(min.)(mm)1.2
Basic load ratings : Cr(kN)105
Basic load ratings : C0r(kN)98.5
Fatigue load limit : Cu(kN)15.1
Limiting speeds(Grease lub.)(min-1)4200
Limiting speeds(Oil lub.)(min-1)5600
Load center spread : a(mm)17.1
Constant :e0.34
Axial load factors : Y11.77
Axial load factors : Y00.97

Mounting dimensions,weight (reference)

da(mm)60.0 mm
db(mm)57.0 mm
Da(mm)85.0 mm
Db(mm)88.0 mm
ra(max.)(mm)2.4 mm
rb(max.)(mm)1.2 mm
Mass(Refer.)(kg)0.59 kg
JTEKT

2026/07/27