Engineered & supported in Hudson, Ohio since 2012330-633-7735 · info@slewpro.com
Potesta & Company
SlewPro
30 SeriesExternal gearTime Manufacturing 72072-1Kaydon 18402001 / 72072-1

30E.0422.25.009 Slewing Ring Bearing

30 Series slewing ring bearing, external gear, 520 mm OD × 324 mm ID. Interchangeable with Time Manufacturing 72072-1, Kaydon 18402001 / 72072-1.

Specifications

SlewPro part number30E.0422.25.009
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 diameter323.8 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 diameter425.7 mm (16.76 in)
All diameters on drawing20.486 in (520.3 mm), 16.76 in (425.7 mm), 16.64 in (422.7 mm), 16.61 in (421.9 mm), 16.49 in (418.8 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°
MaterialSteel, 50 Mn
Approx. weight102 lb (46 kg)

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

Crosses to

Kaydon18402001 / 72072-1
Time Manufacturing72072-1

Interchange based on published dimensions; our engineers confirm fit before quoting.

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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