Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
>

Bearing No. 33019JR

Specifications
(Boundary dimensions ...etc)

d(mm)95
D(mm)145
T(mm)39
B(mm)39
C(mm)32.5
r(min.)(mm)2
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)284
Basic load ratings : C0r(kN)382
Fatigue load limit : Cu(kN)57.3
Limiting speeds(Grease lub.)(min-1)2500
Limiting speeds(Oil lub.)(min-1)3300
Load center spread : a(mm)27.8
Constant e()0.28
Axial load factors : Y1()2.16
Axial load factors : Y0()1.19

Mounting dimensions

da(min.)(mm)105
db(max.)(mm)104
Da(max.)(mm)136.5
Da(min.)(mm)131
Db(min.)(mm)139
Sa(min.)(mm)7
Sb(min.)(mm)6.5
ra(max.)(mm)2
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 2.31
JTEKT

2025/06/01