21 SeriesExternal gear
21E.1250.20.000 Slewing Ring Bearing
21 Series slewing ring bearing, external gear, 1,394 mm OD × 1,117 mm ID.
Specifications
| SlewPro part number | 21E.1250.20.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | External gear |
| Raceway diameter | 1,250 mm (49.21 in) |
| Outside diameter | 1,393.7 mm (54.87 in) |
| Inside diameter | 1,116.8 mm (43.97 in) |
| Overall height | 73.2 mm (2.88 in) |
| Outer ring height | 63.5 mm (2.50 in) |
| Inner ring height | 63.5 mm (2.50 in) |
| Outer ring bore | 1,248.9 mm (49.17 in) |
| Inner ring outside diameter | 1,250.9 mm (49.25 in) |
| All diameters on drawing | 54.87 in (1393.7 mm), 49.25 in (1250.9 mm), 49.17 in (1248.9 mm), 47.47 in (1205.7 mm), 43.97 in (1116.8 mm) |
| All heights on drawing | 2.88 in (73.2 mm), 2.50 in (63.5 mm), 0.83 in (21.1 mm) |
| Diametral pitch | 3 |
| Number of teeth | 163 |
| Pitch diameter | 54.333 in |
| Pressure angle | 20° |
| Approx. weight | 433 lb (196 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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