Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 37431/625

Specifications
(Boundary dimensions ...etc)

d(mm)109.538
D(mm)158.750
T(mm)23.020
B(mm)21.438
C(mm)15.875
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)130
Basic load ratings : C0r(kN)169
Fatigue load limit : Cu(kN)23.9
Limiting speeds(Grease lub.)(min-1)2200
Limiting speeds(Oil lub.)(min-1)3000
Load center spread : a(mm)36.5
Constant :e()0.61
Axial load factors : Y1()0.99
Axial load factors : Y0()0.54

Mounting dimensions

da(mm)123.0
db(mm)116.0
Da(mm)143.0
Db(mm)152.0
ra(max.)(mm)6.4
rb(max.)(mm)6.4

Refer.

(Refer.)Mass(kg) 1.332
JTEKT

2025/07/03