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


Bearing No. 4375/35

Specification data (main dimensions, etc.)

d(mm)38.100
D(mm)90.488
T(mm)39.688
B(mm)40.386
C(mm)33.338
r(min.)(mm)1.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)166
Basic load ratings : C0r(kN)169
Fatigue load limit : Cu(kN)25.9
Limiting speeds(Grease lub.)(min-1)4500
Limiting speeds(Oil lub.)(min-1)6000
Load center spread : a(mm)25.6
Constant :e0.28
Axial load factors : Y12.11
Axial load factors : Y01.16

Mounting dimensions,weight (reference)

da(mm)51.0 mm
db(mm)48.5 mm
Da(mm)77.0 mm
Db(mm)85.0 mm
ra(max.)(mm)1.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)1.3 kg
JTEKT

2026/07/04