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

30E.0309.19.000 Slewing Ring Bearing

30 Series slewing ring bearing, external gear, 399 mm OD × 229 mm ID.

Specifications

SlewPro part number30E.0309.19.000
Series30 Series
Bearing designFour-point contact, single-row ball
GearExternal gear
Raceway diameter309 mm (12.17 in)
Outside diameter399.3 mm (15.72 in)
Inside diameter229.1 mm (9.02 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 bore309.6 mm (12.19 in)
Inner ring outside diameter307.6 mm (12.11 in)
All diameters on drawing15.72 in (399.3 mm), 12.19 in (309.6 mm), 12.11 in (307.6 mm), 9.02 in (229.1 mm)
All heights on drawing1.97 in (50.0 mm), 1.73 in (43.9 mm)
Diametral pitch5
Number of teeth77
Pitch diameter15.4 in
Pressure angle20°
Approx. weight54.0 lb (24 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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