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


Bearing No. 32019JR

Specification data (main 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 e0.44
Axial load factors : Y11.36
Axial load factors : Y00.75

Mounting dimensions,weight (reference)

da(min.)(mm)105 mm
db(max.)(mm)105 mm
Da(max.)(mm)136.5 mm
da(min.)(mm)130 mm
db(min.)(mm)140 mm
Sa(min.)(mm)6 mm
Sb(min.)(mm)8 mm
ra(max.)(mm)2 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)1.88 kg
JTEKT

2026/07/31