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


Bearing No. 30336

Specification data (main dimensions, etc.)

d(mm)180
D(mm)380
T(mm)83
B(mm)75
C(mm)64
r(min.)(mm)5
r1(min.)(mm)4
Basic load ratings : Cr(kN)1130
Basic load ratings : C0r(kN)1110
Fatigue load limit : Cu(kN)126
Limiting speeds(Grease lub.)(min-1)940
Limiting speeds(Oil lub.)(min-1)1300
Load center spread : a(mm)71.0
Constant e0.35
Axial load factors : Y11.73
Axial load factors : Y00.95

Mounting dimensions,weight (reference)

da(min.)(mm)202 mm
db(max.)(mm)227 mm
Da(max.)(mm)362 mm
da(min.)(mm)318 mm
db(min.)(mm)346 mm
Sa(min.)(mm)13 mm
Sb(min.)(mm)19 mm
ra(max.)(mm)4 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)39.7 kg
JTEKT

2026/07/13