Engineered & supported in Hudson, Ohio since 2012330-633-7735 · info@slewpro.com
Potesta & Company
SlewPro
21 SeriesPlain (no gear)Rotek L9-57P9Z

21P.1455.29.000 Slewing Ring Bearing

21 Series slewing ring bearing, plain (no gear), 1,600 mm OD × 1,305 mm ID. Interchangeable with Rotek L9-57P9Z.

Specifications

SlewPro part number21P.1455.29.000
Series21 Series
Bearing designFour-point contact, single-row ball
GearPlain (no gear)
Raceway diameter1,455 mm (57.28 in)
Outside diameter1,599.9 mm (62.99 in)
Inside diameter1,305.1 mm (51.38 in)
Overall height89.9 mm (3.54 in)
Outer ring height71.1 mm (2.80 in)
All diameters on drawing62.99 in (1599.9 mm), 59.72 in (1516.9 mm), 57.46 in (1459.5 mm), 57.34 in (1456.4 mm), 57.22 in (1453.4 mm), 57.10 in (1450.3 mm), 54.84 in (1392.9 mm), 51.38 in (1305.1 mm)
All heights on drawing3.54 in (89.9 mm), 2.80 in (71.1 mm), 0.83 in (21.1 mm)
MaterialSteel, 50Mn
Approx. weight469 lb (213 kg)

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

Crosses to

RotekL9-57P9Z

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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