Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 375/374

Specifications
(Boundary 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 :e()0.34
Axial load factors : Y1()1.77
Axial load factors : Y0()0.97

Mounting dimensions

da(mm)60.0
db(mm)57.0
Da(mm)85.0
Db(mm)88.0
ra(max.)(mm)2.4
rb(max.)(mm)1.2

Refer.

(Refer.)Mass(kg) 0.59
JTEKT

2025/06/01