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

30E.0289.19.003 Slewing Ring Bearing

30 Series slewing ring bearing, external gear, 373 mm OD × 210 mm ID.

Specifications

SlewPro part number30E.0289.19.003
Series30 Series
Bearing designFour-point contact, single-row ball
GearExternal gear
Raceway diameter289 mm (11.38 in)
Outside diameter373.1 mm (14.69 in)
Inside diameter210.1 mm (8.27 in)
Overall height50 mm (1.97 in)
Outer ring height43.9 mm (1.73 in)
Inner ring height43.9 mm (1.73 in)
Outer ring bore291.1 mm (11.46 in)
Inner ring outside diameter287 mm (11.30 in)
All diameters on drawing14.69 in (373.1 mm), 14.02 in (356.1 mm), 11.46 in (291.1 mm), 11.30 in (287.0 mm), 8.27 in (210.1 mm)
All heights on drawing1.97 in (50.0 mm), 1.73 in (43.9 mm), 1.50 in (38.1 mm), 0.98 in (24.9 mm)
Diametral pitch5
Number of teeth72
Pitch diameter14.4 in
Pressure angle20°
Approx. weight50.0 lb (23 kg)

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

30 Series slewing ring

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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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