Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 33117JR

Specifications
(Boundary 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 e()0.41
Axial load factors : Y1()1.48
Axial load factors : Y0()0.81

Mounting dimensions

da(min.)(mm)97
db(max.)(mm)95
Da(max.)(mm)130
Da(min.)(mm)122
Db(min.)(mm)135
Sa(min.)(mm)7
Sb(min.)(mm)9
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 2.43
JTEKT

2025/06/01