Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series


Bearing No. 30215CR

Specification data (main 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 e0.55
Axial load factors : Y11.10
Axial load factors : Y00.60

Mounting dimensions,weight (reference)

da(min.)(mm)85 mm
db(max.)(mm)87 mm
Da(max.)(mm)121.5 mm
da(min.)(mm)111 mm
db(min.)(mm)124 mm
Sa(min.)(mm)5 mm
Sb(min.)(mm)7 mm
ra(max.)(mm)2 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)1.40 kg
JTEKT

2026/06/30