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


Bearing No. 33005JR

Specification data (main dimensions, etc.)

d(mm)25
D(mm)47
T(mm)17
B(mm)17
C(mm)14
r(min.)(mm)0.6
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)42.0
Basic load ratings : C0r(kN)42.3
Fatigue load limit : Cu(kN)5.95
Limiting speeds(Grease lub.)(min-1)8300
Limiting speeds(Oil lub.)(min-1)11000
Load center spread : a(mm)10.9
Constant e0.29
Axial load factors : Y12.07
Axial load factors : Y01.14

Mounting dimensions,weight (reference)

da(min.)(mm)29.5 mm
db(max.)(mm)30 mm
Da(max.)(mm)42.5 mm
da(min.)(mm)41 mm
db(min.)(mm)44 mm
Sa(min.)(mm)3 mm
Sb(min.)(mm)3 mm
ra(max.)(mm)0.6 mm
rb(max.)(mm)0.6 mm
Mass(Refer.)(kg)0.131 kg
JTEKT

2026/07/27