Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 30320D

Specifications
(Boundary dimensions ...etc)

d(mm)100
D(mm)215
T(mm)51.5
B(mm)47
C(mm)34
r(min.)(mm)4
r1(min.)(mm)3
Basic load ratings : Cr(kN)397
Basic load ratings : C0r(kN)374
Fatigue load limit : Cu(kN)48.5
Limiting speeds(Grease lub.)(min-1)1500
Limiting speeds(Oil lub.)(min-1)2100
Load center spread : a(mm)65.9
Constant e()0.81
Axial load factors : Y1()0.74
Axial load factors : Y0()0.41

Mounting dimensions

da(min.)(mm)118
db(max.)(mm)121
Da(max.)(mm)201
Da(min.)(mm)183
Db(min.)(mm)204
Sa(min.)(mm)5
Sb(min.)(mm)17
ra(max.)(mm)3
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 8.02
JTEKT

2025/06/01