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


Bearing No. 33885/21

Specification data (main dimensions, etc.)

d(mm)44.450
D(mm)95.250
T(mm)27.783
B(mm)28.575
C(mm)22.225
r(min.)(mm)0.8
r1(min.)(mm)2.4
Basic load ratings : Cr(kN)135
Basic load ratings : C0r(kN)141
Fatigue load limit : Cu(kN)21.6
Limiting speeds(Grease lub.)(min-1)4100
Limiting speeds(Oil lub.)(min-1)5400
Load center spread : a(mm)20.4
Constant :e0.33
Axial load factors : Y11.82
Axial load factors : Y01.00

Mounting dimensions,weight (reference)

da(mm)53.0 mm
db(mm)53.0 mm
Da(mm)85.0 mm
Db(mm)90.0 mm
ra(max.)(mm)0.8 mm
rb(max.)(mm)2.4 mm
Mass(Refer.)(kg)0.978 kg
JTEKT

2026/07/01