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

21N.0741.19.001 Slewing Ring Bearing

21 Series slewing ring bearing, internal gear, 848 mm OD × 650 mm ID.

Specifications

SlewPro part number21N.0741.19.001
Series21 Series
Bearing designFour-point contact, single-row ball
GearInternal gear
Raceway diameter741 mm (29.17 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 bore742.2 mm (29.22 in)
Inner ring outside diameter740.2 mm (29.14 in)
All diameters on drawing33.39 in (848.1 mm), 30.87 in (784.1 mm), 29.22 in (742.2 mm), 29.14 in (740.2 mm), 25.60 in (650.2 mm)
All heights on drawing2.205 in (56.0 mm), 1.811 in (46.0 mm), 1.103 in (28.0 mm), 0.47 in (11.9 mm)
Diametral pitch4
Number of teeth104
Pitch diameter26 in
Pressure angle20°
Approx. weight124 lb (56 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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