Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32912JR

Specifications
(Boundary dimensions ...etc)

d(mm)60
D(mm)85
T(mm)17
B(mm)17
C(mm)14
r(min.)(mm)1
r1(min.)(mm)1
Basic load ratings : Cr(kN)57.6
Basic load ratings : C0r(kN)78.2
Fatigue load limit : Cu(kN)11.3
Limiting speeds(Grease lub.)(min-1)4100
Limiting speeds(Oil lub.)(min-1)5500
Load center spread : a(mm)15.6
Constant e()0.33
Axial load factors : Y1()1.81
Axial load factors : Y0()1.00

Mounting dimensions

da(min.)(mm)65.5
db(max.)(mm)66
Da(max.)(mm)79.5
Da(min.)(mm)77
Db(min.)(mm)81
Sa(min.)(mm)3
Sb(min.)(mm)3
ra(max.)(mm)1
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.306
JTEKT

2025/06/01