Engineered & supported in Hudson, Ohio since 2012330-633-7735 · info@slewpro.com
Potesta & Company
SlewPro
21 SeriesInternal gearSKF RKS.22.0411

21N.0411.22.000 Slewing Ring Bearing

21 Series slewing ring bearing, internal gear, 518 mm OD × 325 mm ID. Interchangeable with SKF RKS.22.0411.

Specifications

SlewPro part number21N.0411.22.000
Series21 Series
Bearing designFour-point contact, single-row ball
GearInternal gear
Raceway diameter411 mm (16.18 in)
Outside diameter517.9 mm (20.39 in)
Inside diameter325.1 mm (12.80 in)
Overall height55.9 mm (2.20 in)
Outer ring height46 mm (1.81 in)
Inner ring height46 mm (1.81 in)
Outer ring bore412.5 mm (16.24 in)
Inner ring outside diameter409.4 mm (16.12 in)
All diameters on drawing20.39 in (517.9 mm), 17.87 in (453.9 mm), 16.24 in (412.5 mm), 16.12 in (409.4 mm), 12.80 in (325.1 mm)
All heights on drawing2.20 in (55.9 mm), 1.81 in (46.0 mm), 1.10 in (27.9 mm), 0.47 in (11.9 mm)
Gear module5
Number of teeth67
Pitch diameter13.189 mm
Pressure angle20°

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

Crosses to

SKFRKS.22.0411

Interchange based on published dimensions; our engineers confirm fit before quoting.

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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