21 SeriesInternal gearKaydon 18290001
21N.0414.19.004 Slewing Ring Bearing
21 Series slewing ring bearing, internal gear, 518 mm OD × 326 mm ID. Interchangeable with Kaydon 18290001.
Specifications
| SlewPro part number | 21N.0414.19.004 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | Internal gear |
| Raceway diameter | 414 mm (16.30 in) |
| Outside diameter | 517.9 mm (20.39 in) |
| Inside diameter | 326.4 mm (12.85 in) |
| Overall height | 56 mm (2.20 in) |
| Outer ring height | 46 mm (1.81 in) |
| Inner ring height | 46 mm (1.81 in) |
| Outer ring bore | 415.5 mm (16.36 in) |
| Inner ring outside diameter | 411.5 mm (16.20 in) |
| All diameters on drawing | 20.39 in (517.9 mm), 17.87 in (453.9 mm), 16.36 in (415.5 mm), 16.20 in (411.5 mm), 12.85 in (326.4 mm) |
| All heights on drawing | 2.205 in (56.0 mm), 1.811 in (46.0 mm), 1.103 in (28.0 mm), 0.47 in (11.9 mm) |
| Diametral pitch | 4 |
| Number of teeth | 53 |
| Pitch diameter | 13.25 in |
| Pressure angle | 20° |
| Approx. weight | 65.0 lb (29 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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