21 SeriesExternal gearSKF RKS.21 0411
21E.0411.18.001 Slewing Ring Bearing
21 Series slewing ring bearing, external gear, 505 mm OD × 304 mm ID. Interchangeable with SKF RKS.21 0411.
Specifications
| SlewPro part number | 21E.0411.18.001 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | External gear |
| Raceway diameter | 411 mm (16.18 in) |
| Outside diameter | 505 mm (19.88 in) |
| Inside diameter | 304 mm (11.97 in) |
| Overall height | 55.9 mm (2.20 in) |
| Outer ring height | 46 mm (1.81 in) |
| Inner ring height | 46 mm (1.81 in) |
| Outer ring bore | 412.5 mm (16.24 in) |
| Inner ring outside diameter | 409.4 mm (16.12 in) |
| All diameters on drawing | 19.88 in (505.0 mm), 16.24 in (412.5 mm), 16.12 in (409.4 mm), 14.49 in (368.0 mm), 11.97 in (304.0 mm) |
| All heights on drawing | 2.20 in (55.9 mm), 1.81 in (46.0 mm), 1.10 in (27.9 mm), 0.47 in (11.9 mm) |
| Gear module | 5 |
| Number of teeth | 99 |
| Pitch diameter | 19.488 mm |
| Pressure angle | 20° |
| Approx. weight | 72.0 lb (33 kg) |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
Crosses to
| SKF | RKS.21 0411 |
|---|
Interchange based on published dimensions; our engineers confirm fit before quoting.
CAD & documents
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