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


Bearing No. 33110JR

Specification data (main dimensions, etc.)

d(mm)50
D(mm)85
T(mm)26
B(mm)26
C(mm)20
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)112
Basic load ratings : C0r(kN)127
Fatigue load limit : Cu(kN)18.9
Limiting speeds(Grease lub.)(min-1)4400
Limiting speeds(Oil lub.)(min-1)5900
Load center spread : a(mm)20.6
Constant e0.41
Axial load factors : Y11.46
Axial load factors : Y00.80

Mounting dimensions,weight (reference)

da(min.)(mm)58.5 mm
db(max.)(mm)56 mm
Da(max.)(mm)76.5 mm
da(min.)(mm)74 mm
db(min.)(mm)81.5 mm
Sa(min.)(mm)4 mm
Sb(min.)(mm)6 mm
ra(max.)(mm)1.5 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.594 kg
JTEKT

2026/07/01