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

30E.0422.20.003 Slewing Ring Bearing

30 Series slewing ring bearing, external gear, 520 mm OD × 324 mm ID.

Specifications

SlewPro part number30E.0422.20.003
Series30 Series
Bearing designFour-point contact, single-row ball
GearExternal gear
Raceway diameter422 mm (16.61 in)
Outside diameter520.4 mm (20.49 in)
Inside diameter323.8 mm (12.75 in)
Overall height55.6 mm (2.19 in)
Outer ring height53.1 mm (2.09 in)
Inner ring height53.1 mm (2.09 in)
Outer ring bore421.9 mm (16.61 in)
Inner ring outside diameter422.7 mm (16.64 in)
All diameters on drawing20.49 in (520.4 mm), 16.64 in (422.7 mm), 16.61 in (421.9 mm), 12.75 in (323.8 mm)
All heights on drawing2.19 in (55.6 mm), 2.09 in (53.1 mm)
Diametral pitch5
Number of teeth101
Pitch diameter20.2 in
Pressure angle20°
Approx. weight102 lb (46 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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