Engineered & supported in Hudson, Ohio since 2012330-633-7735 · info@slewpro.com
Potesta & Company
SlewPro
21 SeriesExternal gearRotek L9-38E9Z

21E.0955.29.000 Slewing Ring Bearing

21 Series slewing ring bearing, external gear, 1,093 mm OD × 805 mm ID. Interchangeable with Rotek L9-38E9Z.

Specifications

SlewPro part number21E.0955.29.000
Series21 Series
Bearing designFour-point contact, single-row ball
GearExternal gear
Raceway diameter955 mm (37.60 in)
Outside diameter1,093.2 mm (43.04 in)
Inside diameter804.9 mm (31.69 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 bore953.5 mm (37.54 in)
Inner ring outside diameter956.6 mm (37.66 in)
All diameters on drawing43.04 in (1093.2 mm), 37.74 in (958.6 mm), 37.66 in (956.6 mm), 37.54 in (953.5 mm), 37.46 in (951.5 mm), 35.16 in (893.1 mm), 31.69 in (804.9 mm)
All heights on drawing3.54 in (89.9 mm), 2.80 in (71.1 mm), 0.83 in (21.1 mm)
Diametral pitch2.5
Number of teeth106
Pitch diameter42.4 in
Pressure angle20°
MaterialSteel, 50Mn
Approx. weight374 lb (170 kg)

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

Crosses to

RotekL9-38E9Z

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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