Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. 575SR/572

Specifications
(Boundary dimensions ...etc)

d(mm)76.200
D(mm)139.992
T(mm)36.512
B(mm)36.098
C(mm)28.575
r(min.)(mm)6.7
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)220
Basic load ratings : C0r(kN)262
Fatigue load limit : Cu(kN)39.8
Limiting speeds(Grease lub.)(min-1)2700
Limiting speeds(Oil lub.)(min-1)3600
Load center spread : a(mm)31.0
Constant :e()0.40
Axial load factors : Y1()1.49
Axial load factors : Y0()0.82

Mounting dimensions

da(mm)99.0
db(mm)86.0
Da(mm)125.0
Db(mm)133.0
ra(max.)(mm)6.7
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 2.389
JTEKT

2025/05/14