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


Bearing No. 33211JR

Specification data (main dimensions, etc.)

d(mm)55
D(mm)100
T(mm)35
B(mm)35
C(mm)27
r(min.)(mm)2
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)178
Basic load ratings : C0r(kN)189
Fatigue load limit : Cu(kN)28.9
Limiting speeds(Grease lub.)(min-1)3900
Limiting speeds(Oil lub.)(min-1)5200
Load center spread : a(mm)25.3
Constant e0.40
Axial load factors : Y11.50
Axial load factors : Y00.83

Mounting dimensions,weight (reference)

da(min.)(mm)65 mm
db(max.)(mm)62 mm
Da(max.)(mm)90 mm
da(min.)(mm)85 mm
db(min.)(mm)96 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)1.18 kg
JTEKT

2026/07/07