21 SeriesExternal gear
21E.1481.20.000 Slewing Ring Bearing
21 Series slewing ring bearing, external gear, 1,622 mm OD × 1,372 mm ID.
Specifications
| SlewPro part number | 21E.1481.20.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | External gear |
| Raceway diameter | 1,481 mm (58.31 in) |
| Outside diameter | 1,621.5 mm (63.84 in) |
| Inside diameter | 1,371.6 mm (54.00 in) |
| Overall height | 70.1 mm (2.76 in) |
| Outer ring height | 64 mm (2.52 in) |
| Inner ring height | 64 mm (2.52 in) |
| Outer ring bore | 1,482.1 mm (58.35 in) |
| Inner ring outside diameter | 1,479 mm (58.23 in) |
| All diameters on drawing | 63.84 in (1621.5 mm), 58.35 in (1482.1 mm), 58.29 in (1480.6 mm), 58.23 in (1479.0 mm), 56.69 in (1439.9 mm), 54.00 in (1371.6 mm) |
| All heights on drawing | 2.76 in (70.1 mm), 2.52 in (64.0 mm), 0.59 in (15.0 mm) |
| Diametral pitch | 2.5 |
| Number of teeth | 158 |
| Pitch diameter | 63.2 in |
| Pressure angle | 20° |
| Material | Steel, 42CrMo |
| Approx. weight | 458 lb (208 kg) |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
CAD & documents
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