21 SeriesExternal gearRotek L9-49E9Z
21E.1255.29.000 Slewing Ring Bearing
21 Series slewing ring bearing, external gear, 1,398 mm OD × 1,105 mm ID. Interchangeable with Rotek L9-49E9Z.
Specifications
| SlewPro part number | 21E.1255.29.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | External gear |
| Raceway diameter | 1,255 mm (49.41 in) |
| Outside diameter | 1,398 mm (55.04 in) |
| Inside diameter | 1,104.9 mm (43.50 in) |
| Overall height | 89.9 mm (3.54 in) |
| Outer ring height | 71.1 mm (2.80 in) |
| Outer ring bore | 1,253.5 mm (49.35 in) |
| Inner ring outside diameter | 1,256.5 mm (49.47 in) |
| All diameters on drawing | 55.04 in (1398.0 mm), 49.55 in (1258.6 mm), 49.47 in (1256.5 mm), 49.35 in (1253.5 mm), 49.27 in (1251.5 mm), 46.97 in (1193.0 mm), 43.50 in (1104.9 mm) |
| All heights on drawing | 3.54 in (89.9 mm), 2.80 in (71.1 mm), 0.83 in (21.1 mm) |
| Diametral pitch | 2.5 |
| Number of teeth | 136 |
| Pitch diameter | 54.4 in |
| Pressure angle | 20° |
| Material | Steel, 50Mn |
| Approx. weight | 502 lb (228 kg) |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
Crosses to
| Rotek | L9-49E9Z |
|---|
Interchange based on published dimensions; our engineers confirm fit before quoting.
CAD & documents
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