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

21N.0944.19.002 Slewing Ring Bearing

21 Series slewing ring bearing, internal gear, 1,048 mm OD × 842 mm ID.

Specifications

SlewPro part number21N.0944.19.002
Series21 Series
Bearing designFour-point contact, single-row ball
GearInternal gear
Raceway diameter944 mm (37.17 in)
Outside diameter1,048 mm (41.26 in)
Inside diameter841.5 mm (33.13 in)
Overall height55.9 mm (2.20 in)
Outer ring height45.5 mm (1.79 in)
Inner ring height45.5 mm (1.79 in)
Outer ring bore945.4 mm (37.22 in)
Inner ring outside diameter942.6 mm (37.11 in)
All diameters on drawing41.26 in (1048.0 mm), 37.22 in (945.4 mm), 37.19 in (944.6 mm), 37.14 in (943.4 mm), 37.11 in (942.6 mm), 33.13 in (841.5 mm)
All heights on drawing2.20 in (55.9 mm), 1.79 in (45.5 mm)
Gear module8
Number of teeth107
Pressure angle20°
MaterialSteel, 50Mn
Approx. weight496 lb (225 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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