Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32908JR

Specifications
(Boundary dimensions ...etc)

d(mm)40
D(mm)62
T(mm)15
B(mm)15
C(mm)12
r(min.)(mm)0.6
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)42.1
Basic load ratings : C0r(kN)48.5
Fatigue load limit : Cu(kN)6.90
Limiting speeds(Grease lub.)(min-1)5900
Limiting speeds(Oil lub.)(min-1)7800
Load center spread : a(mm)11.9
Constant e()0.29
Axial load factors : Y1()2.07
Axial load factors : Y0()1.14

Mounting dimensions

da(min.)(mm)44.5
db(max.)(mm)45
Da(max.)(mm)57.5
Da(min.)(mm)55
Db(min.)(mm)59
Sa(min.)(mm)3
Sb(min.)(mm)3
ra(max.)(mm)0.6
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 0.164
JTEKT

2025/06/01