Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32019JR

Specifications
(Boundary dimensions ...etc)

d(mm)95
D(mm)145
T(mm)32
B(mm)32
C(mm)24
r(min.)(mm)2
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)229
Basic load ratings : C0r(kN)287
Fatigue load limit : Cu(kN)42.6
Limiting speeds(Grease lub.)(min-1)2500
Limiting speeds(Oil lub.)(min-1)3300
Load center spread : a(mm)31.2
Constant e()0.44
Axial load factors : Y1()1.36
Axial load factors : Y0()0.75

Mounting dimensions

da(min.)(mm)105
db(max.)(mm)105
Da(max.)(mm)136.5
Da(min.)(mm)130
Db(min.)(mm)140
Sa(min.)(mm)6
Sb(min.)(mm)8
ra(max.)(mm)2
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 1.88
JTEKT

2025/06/01