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

30E.0422.25.018 Slewing Ring Bearing

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

Specifications

SlewPro part number30E.0422.25.018
Series30 Series
Bearing designFour-point contact, single-row ball
GearExternal gear
Raceway diameter422 mm (16.61 in)
Outside diameter520.3 mm (20.48 in)
Inside diameter323.7 mm (12.74 in)
Overall height54 mm (2.13 in)
Outer ring height52.3 mm (2.06 in)
Inner ring height52.3 mm (2.06 in)
Outer ring bore422.4 mm (16.63 in)
Inner ring outside diameter422.4 mm (16.63 in)
All diameters on drawing20.484 in (520.3 mm), 16.63 in (422.4 mm), 12.744 in (323.7 mm)
All heights on drawing2.126 in (54.0 mm), 2.06 in (52.3 mm), 0.07 in (1.8 mm)
Diametral pitch5
Number of teeth101
Pitch diameter20.2 in
Pressure angle20°
Approx. weight103 lb (47 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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