Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 30334JR

Specifications
(Boundary dimensions ...etc)

d(mm)170
D(mm)360
T(mm)80
B(mm)72
C(mm)62
r(min.)(mm)5
r1(min.)(mm)4
Basic load ratings : Cr(kN)1300
Basic load ratings : C0r(kN)1370
Fatigue load limit : Cu(kN)155
Limiting speeds(Grease lub.)(min-1)1000
Limiting speeds(Oil lub.)(min-1)1300
Load center spread : a(mm)67.9
Constant e()0.35
Axial load factors : Y1()1.74
Axial load factors : Y0()0.96

Mounting dimensions

da(min.)(mm)192
db(max.)(mm)218
Da(max.)(mm)342
Da(min.)(mm)306
Db(min.)(mm)329
Sa(min.)(mm)13
Sb(min.)(mm)18
ra(max.)(mm)4
rb(max.)(mm)3

Refer.

(Refer.)Mass(kg) 37.5
JTEKT

2025/06/01