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


Bearing No. 33015JR

Specification data (main dimensions, etc.)

d(mm)75
D(mm)115
T(mm)31
B(mm)31
C(mm)25.5
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)177
Basic load ratings : C0r(kN)225
Fatigue load limit : Cu(kN)35.0
Limiting speeds(Grease lub.)(min-1)3200
Limiting speeds(Oil lub.)(min-1)4200
Load center spread : a(mm)22.9
Constant e0.30
Axial load factors : Y12.01
Axial load factors : Y01.11

Mounting dimensions,weight (reference)

da(min.)(mm)83.5 mm
db(max.)(mm)83 mm
Da(max.)(mm)106.5 mm
da(min.)(mm)104 mm
db(min.)(mm)110 mm
Sa(min.)(mm)6 mm
Sb(min.)(mm)5.5 mm
ra(max.)(mm)1.5 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)1.16 kg
JTEKT

2026/07/19