Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32012JR

Specifications
(Boundary dimensions ...etc)

d(mm)60
D(mm)95
T(mm)23
B(mm)23
C(mm)17.5
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)108
Basic load ratings : C0r(kN)127
Fatigue load limit : Cu(kN)19.0
Limiting speeds(Grease lub.)(min-1)3900
Limiting speeds(Oil lub.)(min-1)5200
Load center spread : a(mm)21.0
Constant e()0.43
Axial load factors : Y1()1.39
Axial load factors : Y0()0.77

Mounting dimensions

da(min.)(mm)68.5
db(max.)(mm)67
Da(max.)(mm)86.5
Da(min.)(mm)85
Db(min.)(mm)91
Sa(min.)(mm)4
Sb(min.)(mm)5.5
ra(max.)(mm)1.5
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 0.621
JTEKT

2025/05/29