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

30E.0381.20.000 Slewing Ring Bearing

30 Series slewing ring bearing, external gear, 505 mm OD × 286 mm ID.

Specifications

SlewPro part number30E.0381.20.000
Series30 Series
Bearing designFour-point contact, single-row ball
GearExternal gear
Raceway diameter381 mm (15.00 in)
Outside diameter504.7 mm (19.87 in)
Inside diameter285.8 mm (11.25 in)
Overall height55.9 mm (2.20 in)
Outer ring height48.3 mm (1.90 in)
Inner ring height48.3 mm (1.90 in)
Outer ring bore380 mm (14.96 in)
Inner ring outside diameter382 mm (15.04 in)
All diameters on drawing19.87 in (504.7 mm), 15.04 in (382.0 mm), 14.96 in (380.0 mm), 11.25 in (285.8 mm)
All heights on drawing2.20 in (55.9 mm), 1.90 in (48.3 mm)
Diametral pitch3
Number of teeth58
Pitch diameter19.333 in
Pressure angle20°
Approx. weight95.0 lb (43 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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