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


Bearing No. 30217JR

Specification data (main dimensions, etc.)

d(mm)85
D(mm)150
T(mm)30.5
B(mm)28
C(mm)24
r(min.)(mm)2.5
r1(min.)(mm)2
Basic load ratings : Cr(kN)228
Basic load ratings : C0r(kN)231
Fatigue load limit : Cu(kN)35.1
Limiting speeds(Grease lub.)(min-1)2500
Limiting speeds(Oil lub.)(min-1)3400
Load center spread : a(mm)30.4
Constant e0.42
Axial load factors : Y11.43
Axial load factors : Y00.79

Mounting dimensions,weight (reference)

da(min.)(mm)97 mm
db(max.)(mm)97 mm
Da(max.)(mm)140 mm
da(min.)(mm)132 mm
db(min.)(mm)141 mm
Sa(min.)(mm)5 mm
Sb(min.)(mm)6.5 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)2.17 kg
JTEKT

2026/06/30