Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 30316R

Specifications
(Boundary dimensions ...etc)

d(mm)80
D(mm)170
T(mm)42.5
B(mm)39
C(mm)33
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)345
Basic load ratings : C0r(kN)330
Fatigue load limit : Cu(kN)47.1
Limiting speeds(Grease lub.)(min-1)2300
Limiting speeds(Oil lub.)(min-1)3100
Load center spread : a(mm)33.9
Constant e()0.35
Axial load factors : Y1()1.73
Axial load factors : Y0()0.95

Mounting dimensions

da(min.)(mm)94
db(max.)(mm)102
Da(max.)(mm)158
Da(min.)(mm)148
Db(min.)(mm)159
Sa(min.)(mm)4
Sb(min.)(mm)9.5
ra(max.)(mm)2.5
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 4.26
JTEKT

2025/06/01