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

21P.0541.18.000 Slewing Ring Bearing

21 Series slewing ring bearing, plain (no gear), 648 mm OD × 434 mm ID.

Specifications

SlewPro part number21P.0541.18.000
Series21 Series
Bearing designFour-point contact, single-row ball
GearPlain (no gear)
Raceway diameter541 mm (21.30 in)
Outside diameter648 mm (25.51 in)
Inside diameter434.1 mm (17.09 in)
Overall height56 mm (2.20 in)
Outer ring height46 mm (1.81 in)
Inner ring height46 mm (1.81 in)
Outer ring bore542 mm (21.34 in)
Inner ring outside diameter540 mm (21.26 in)
All diameters on drawing25.51 in (648.0 mm), 22.99 in (583.9 mm), 21.34 in (542.0 mm), 21.26 in (540.0 mm), 19.61 in (498.1 mm), 17.09 in (434.1 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)
Approx. weight76.0 lb (34 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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