21 SeriesInternal gearKaydon 18290001
21N.0414.20.000 Slewing Ring Bearing
21 Series slewing ring bearing, internal gear, 516 mm OD × 325 mm ID. Interchangeable with Kaydon 18290001.
Specifications
| SlewPro part number | 21N.0414.20.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | Internal gear |
| Raceway diameter | 414 mm (16.30 in) |
| Outside diameter | 515.9 mm (20.31 in) |
| Inside diameter | 325.1 mm (12.80 in) |
| Overall height | 55.9 mm (2.20 in) |
| Outer ring height | 47.5 mm (1.87 in) |
| Inner ring height | 44.4 mm (1.75 in) |
| Outer ring bore | 415.5 mm (16.36 in) |
| Inner ring outside diameter | 412.5 mm (16.24 in) |
| All diameters on drawing | 20.31 in (515.9 mm), 17.93 in (455.4 mm), 16.36 in (415.5 mm), 16.24 in (412.5 mm), 13.78 in (350.0 mm), 12.80 in (325.1 mm) |
| All heights on drawing | 2.20 in (55.9 mm), 1.87 in (47.5 mm), 1.75 in (44.4 mm), 1.57 in (39.9 mm), 0.47 in (11.9 mm) |
| Gear module | 5 |
| Number of teeth | 67 |
| Pitch diameter | 13.189 mm |
| Pressure angle | 20° |
| Material | Steel, 50Mn |
| Approx. weight | 76.2 lb (35 kg) |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
Crosses to
| Kaydon | 18290001 |
|---|
Interchange based on published dimensions; our engineers confirm fit before quoting.
CAD & documents
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