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


Bearing No. 30336D

Specification data (main dimensions, etc.)

d(mm)180
D(mm)380
T(mm)83
B(mm)75
C(mm)52
r(min.)(mm)5
r1(min.)(mm)4
Basic load ratings : Cr(kN)1040
Basic load ratings : C0r(kN)1150
Fatigue load limit : Cu(kN)125
Limiting speeds(Grease lub.)(min-1)780
Limiting speeds(Oil lub.)(min-1)1100
Load center spread : a(mm)112.8
Constant e0.81
Axial load factors : Y10.74
Axial load factors : Y00.41

Mounting dimensions,weight (reference)

da(min.)(mm)202 mm
db(max.)(mm)225 mm
Da(max.)(mm)362 mm
da(min.)(mm)330 mm
db(min.)(mm)351 mm
Sa(min.)(mm)10 mm
Sb(min.)(mm)31 mm
ra(max.)(mm)4 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)40.1 kg
JTEKT

2026/07/01