Engineered & supported in Hudson, Ohio since 2012330-633-7735 · info@slewpro.com
Potesta & Company
SlewPro
21 SeriesInternal gearKaydon 16584001

21N.0744.20.000 Slewing Ring Bearing

21 Series slewing ring bearing, internal gear, 848 mm OD × 650 mm ID. Interchangeable with Kaydon 16584001.

Specifications

SlewPro part number21N.0744.20.000
Series21 Series
Bearing designFour-point contact, single-row ball
GearInternal gear
Raceway diameter744 mm (29.29 in)
Outside diameter848.1 mm (33.39 in)
Inside diameter650.2 mm (25.60 in)
Overall height56 mm (2.20 in)
Outer ring height46 mm (1.81 in)
Inner ring height46 mm (1.81 in)
Outer ring bore746 mm (29.37 in)
Inner ring outside diameter741.9 mm (29.21 in)
All diameters on drawing33.39 in (848.1 mm), 30.87 in (784.1 mm), 29.37 in (746.0 mm), 29.21 in (741.9 mm), 25.60 in (650.2 mm)
All heights on drawing2.205 in (56.0 mm), 1.811 in (46.0 mm), 1.341 in (34.1 mm), 1.103 in (28.0 mm), 0.47 in (11.9 mm)
Diametral pitch4
Number of teeth104
Pitch diameter26 in
Pressure angle20°
Approx. weight123 lb (56 kg)

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

Crosses to

Kaydon16584001

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

21 Series slewing ring

Get this bearing

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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