Engineered & supported in Hudson, Ohio since 2012330-633-7735 · info@slewpro.com
Potesta & Company
SlewPro
21 SeriesExternal gearRotek L9-42E9Z

21E.1055.29.000 Slewing Ring Bearing

21 Series slewing ring bearing, external gear, 1,195 mm OD × 905 mm ID. Interchangeable with Rotek L9-42E9Z.

Specifications

SlewPro part number21E.1055.29.000
Series21 Series
Bearing designFour-point contact, single-row ball
GearExternal gear
Raceway diameter1,055 mm (41.54 in)
Outside diameter1,194.8 mm (47.04 in)
Inside diameter905 mm (35.63 in)
Overall height89.9 mm (3.54 in)
Outer ring height71.1 mm (2.80 in)
Inner ring height71.1 mm (2.80 in)
Outer ring bore1,053.6 mm (41.48 in)
Inner ring outside diameter1,056.4 mm (41.59 in)
All diameters on drawing47.04 in (1194.8 mm), 41.59 in (1056.4 mm), 41.48 in (1053.6 mm), 39.09 in (992.9 mm), 35.63 in (905.0 mm)
All heights on drawing3.54 in (89.9 mm), 2.80 in (71.1 mm), 1.97 in (50.0 mm), 0.83 in (21.1 mm)
Diametral pitch2.5
Number of teeth116
Pitch diameter46.4 in
Pressure angle20°
Approx. weight419 lb (190 kg)

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

Crosses to

RotekL9-42E9Z

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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