Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 320/32JR

Specifications
(Boundary dimensions ...etc)

d(mm)32
D(mm)58
T(mm)17
B(mm)17
C(mm)13
r(min.)(mm)1
r1(min.)(mm)1
Basic load ratings : Cr(kN)49.2
Basic load ratings : C0r(kN)50.6
Fatigue load limit : Cu(kN)7.10
Limiting speeds(Grease lub.)(min-1)6700
Limiting speeds(Oil lub.)(min-1)8900
Load center spread : a(mm)14.3
Constant e()0.45
Axial load factors : Y1()1.32
Axial load factors : Y0()0.73

Mounting dimensions

da(min.)(mm)37.5
db(max.)(mm)38
Da(max.)(mm)52.5
Da(min.)(mm)50
Db(min.)(mm)55
Sa(min.)(mm)3
Sb(min.)(mm)4
ra(max.)(mm)1
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.196
JTEKT

2025/06/19