Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 30215CR

Specifications
(Boundary dimensions ...etc)

d(mm)75
D(mm)130
T(mm)27.25
B(mm)25
C(mm)20
r(min.)(mm)2
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)171
Basic load ratings : C0r(kN)178
Fatigue load limit : Cu(kN)27.4
Limiting speeds(Grease lub.)(min-1)2900
Limiting speeds(Oil lub.)(min-1)3800
Load center spread : a(mm)31.0
Constant e()0.55
Axial load factors : Y1()1.10
Axial load factors : Y0()0.60

Mounting dimensions

da(min.)(mm)85
db(max.)(mm)87
Da(max.)(mm)121.5
Da(min.)(mm)111
Db(min.)(mm)124
Sa(min.)(mm)5
Sb(min.)(mm)7
ra(max.)(mm)2
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 1.40
JTEKT

2025/06/17