Engineered & supported in Hudson, Ohio since 2012330-633-7735 · info@slewpro.com
Potesta & Company
SlewPro
30 SeriesExternal gearRotek A12-18E5

30E.0453.38.000 Slewing Ring Bearing

30 Series slewing ring bearing, external gear, 599 mm OD × 320 mm ID. Interchangeable with Rotek A12-18E5.

Specifications

SlewPro part number30E.0453.38.000
Series30 Series
Bearing designFour-point contact, single-row ball
GearExternal gear
Raceway diameter453 mm (17.83 in)
Outside diameter599.4 mm (23.60 in)
Inside diameter320.5 mm (12.62 in)
Overall height104.9 mm (4.13 in)
Outer ring height98.6 mm (3.88 in)
Inner ring height81 mm (3.19 in)
Outer ring bore451.6 mm (17.78 in)
Inner ring outside diameter455.4 mm (17.93 in)
All diameters on drawing23.60 in (599.4 mm), 17.93 in (455.4 mm), 17.85 in (453.4 mm), 17.78 in (451.6 mm), 17.70 in (449.6 mm), 12.62 in (320.5 mm)
All heights on drawing4.13 in (104.9 mm), 3.88 in (98.6 mm), 3.19 in (81.0 mm)
Diametral pitch4
Number of teeth93
Pitch diameter23.25 in
Pressure angle20°
Material42CrMo
Approx. weight282 lb (128 kg)

Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.

Crosses to

RotekA12-18E5

Interchange based on published dimensions; our engineers confirm fit before quoting.

30 Series slewing ring

Get this bearing

Standard lead time 14–16 weeks; expediting available for an additional charge. Pricing quoted within 1–2 business days. Matching pinions available.

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