Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 4375/35

Specifications
(Boundary 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 :e()0.28
Axial load factors : Y1()2.11
Axial load factors : Y0()1.16

Mounting dimensions

da(mm)51.0
db(mm)48.5
Da(mm)77.0
Db(mm)85.0
ra(max.)(mm)1.6
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 1.3
JTEKT

2025/06/01