Engineered & supported in Hudson, Ohio since 2012330-633-7735 · info@slewpro.com
Potesta & Company
SlewPro
21 SeriesPlain (no gear)

21P.0744.19.002 Slewing Ring Bearing

21 Series slewing ring bearing, plain (no gear), 848 mm OD × 634 mm ID.

Specifications

SlewPro part number21P.0744.19.002
Series21 Series
Bearing designFour-point contact, single-row ball
GearPlain (no gear)
Raceway diameter744 mm (29.29 in)
Outside diameter848.1 mm (33.39 in)
Inside diameter634 mm (24.96 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 bore745.5 mm (29.35 in)
Inner ring outside diameter742.4 mm (29.23 in)
All diameters on drawing33.39 in (848.1 mm), 30.83 in (783.1 mm), 29.35 in (745.5 mm), 29.23 in (742.4 mm), 27.76 in (705.1 mm), 24.96 in (634.0 mm)
All heights on drawing2.20 in (55.9 mm), 1.79 in (45.5 mm), 0.47 in (11.9 mm)
MaterialSteel, 50Mn
Approx. weight99.6 lb (45 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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