Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32015JR

Specifications
(Boundary dimensions ...etc)

d(mm)75
D(mm)115
T(mm)25
B(mm)25
C(mm)19
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)139
Basic load ratings : C0r(kN)169
Fatigue load limit : Cu(kN)25.8
Limiting speeds(Grease lub.)(min-1)3100
Limiting speeds(Oil lub.)(min-1)4200
Load center spread : a(mm)25.1
Constant e()0.46
Axial load factors : Y1()1.31
Axial load factors : Y0()0.72

Mounting dimensions

da(min.)(mm)83.5
db(max.)(mm)83
Da(max.)(mm)106.5
Da(min.)(mm)103
Db(min.)(mm)110
Sa(min.)(mm)5
Sb(min.)(mm)6
ra(max.)(mm)1.5
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 0.930
JTEKT

2025/06/01