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


Bearing No. 33117JR

Specification data (main dimensions, etc.)

d(mm)85
D(mm)140
T(mm)41
B(mm)41
C(mm)32
r(min.)(mm)2.5
r1(min.)(mm)2
Basic load ratings : Cr(kN)282
Basic load ratings : C0r(kN)346
Fatigue load limit : Cu(kN)52.2
Limiting speeds(Grease lub.)(min-1)2600
Limiting speeds(Oil lub.)(min-1)3500
Load center spread : a(mm)33.2
Constant e0.41
Axial load factors : Y11.48
Axial load factors : Y00.81

Mounting dimensions,weight (reference)

da(min.)(mm)97 mm
db(max.)(mm)95 mm
Da(max.)(mm)130 mm
da(min.)(mm)122 mm
db(min.)(mm)135 mm
Sa(min.)(mm)7 mm
Sb(min.)(mm)9 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)2.43 kg
JTEKT

2026/07/31