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

21E.1200.20.000 Slewing Ring Bearing

21 Series slewing ring bearing, external gear, 1,343 mm OD × 1,067 mm ID.

Specifications

SlewPro part number21E.1200.20.000
Series21 Series
Bearing designFour-point contact, single-row ball
GearExternal gear
Raceway diameter1,200 mm (47.24 in)
Outside diameter1,342.6 mm (52.86 in)
Inside diameter1,066.8 mm (42.00 in)
Overall height73.2 mm (2.88 in)
Outer ring height63.5 mm (2.50 in)
Outer ring bore1,198.9 mm (47.20 in)
Inner ring outside diameter1,200.9 mm (47.28 in)
All diameters on drawing52.86 in (1342.6 mm), 47.28 in (1200.9 mm), 47.20 in (1198.9 mm), 45.50 in (1155.7 mm), 42.00 in (1066.8 mm)
All heights on drawing2.88 in (73.2 mm), 2.50 in (63.5 mm), 0.83 in (21.1 mm)
Diametral pitch3
Number of teeth157
Pitch diameter52.333 in
Pressure angle20°
MaterialSteel, 50Mn
Approx. weight406 lb (184 kg)

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

21 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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