21 SeriesExternal gearRotek L9-53E9Z
21E.1355.29.000 Slewing Ring Bearing
21 Series slewing ring bearing, external gear, 1,500 mm OD × 1,205 mm ID. Interchangeable with Rotek L9-53E9Z.
Specifications
| SlewPro part number | 21E.1355.29.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | External gear |
| Raceway diameter | 1,355 mm (53.35 in) |
| Outside diameter | 1,499.6 mm (59.04 in) |
| Inside diameter | 1,205 mm (47.44 in) |
| Overall height | 89.9 mm (3.54 in) |
| Outer ring height | 71.1 mm (2.80 in) |
| Inner ring height | 71.1 mm (2.80 in) |
| Outer ring bore | 1,353.6 mm (53.29 in) |
| Inner ring outside diameter | 1,356.6 mm (53.41 in) |
| All diameters on drawing | 59.04 in (1499.6 mm), 53.41 in (1356.6 mm), 53.29 in (1353.6 mm), 50.91 in (1293.1 mm), 47.44 in (1205.0 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 | 146 |
| Pitch diameter | 58.4 in |
| Pressure angle | 20° |
| Approx. weight | 545 lb (247 kg) |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
Crosses to
| Rotek | L9-53E9Z |
|---|
Interchange based on published dimensions; our engineers confirm fit before quoting.
CAD & documents
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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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