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


Bearing No. 33210JR

Specification data (main dimensions, etc.)

d(mm)50
D(mm)90
T(mm)32
B(mm)32
C(mm)24.5
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)150
Basic load ratings : C0r(kN)167
Fatigue load limit : Cu(kN)25.0
Limiting speeds(Grease lub.)(min-1)4300
Limiting speeds(Oil lub.)(min-1)5700
Load center spread : a(mm)23.1
Constant e0.41
Axial load factors : Y11.45
Axial load factors : Y00.80

Mounting dimensions,weight (reference)

da(min.)(mm)58.5 mm
db(max.)(mm)57 mm
Da(max.)(mm)81.5 mm
da(min.)(mm)77 mm
db(min.)(mm)86.5 mm
Sa(min.)(mm)5 mm
Sb(min.)(mm)7.5 mm
ra(max.)(mm)1.5 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.887 kg
JTEKT

2026/08/07