Engineered & supported in Hudson, Ohio since 2012330-633-7735 · info@slewpro.com
Potesta & Company
SlewPro
21 SeriesPlain (no gear)Rotek L4-13P9Z

21P.0323.13.001 Slewing Ring Bearing

21 Series slewing ring bearing, plain (no gear), 401 mm OD × 233 mm ID. Interchangeable with Rotek L4-13P9Z.

Specifications

SlewPro part number21P.0323.13.001
Series21 Series
Bearing designFour-point contact, single-row ball
GearPlain (no gear)
Raceway diameter323 mm (12.72 in)
Outside diameter401.1 mm (15.79 in)
Inside diameter232.9 mm (9.17 in)
Overall height39.6 mm (1.56 in)
Outer ring height31.2 mm (1.23 in)
Inner ring height32.3 mm (1.27 in)
Outer ring bore297.9 mm (11.73 in)
Inner ring outside diameter348 mm (13.70 in)
All diameters on drawing15.79 in (401.1 mm), 13.70 in (348.0 mm), 12.78 in (324.6 mm), 12.72 in (323.1 mm), 12.66 in (321.6 mm), 11.73 in (297.9 mm), 9.17 in (232.9 mm)
All heights on drawing1.56 in (39.6 mm), 1.27 in (32.3 mm), 1.23 in (31.2 mm), 0.30 in (7.6 mm), 0.26 in (6.6 mm)
MaterialSteel, 50Mn
Approx. weight21.8 lb (10 kg)

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

Crosses to

RotekL4-13P9Z

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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