21 SeriesInternal gear
21N.0744.19.003 Slewing Ring Bearing
21 Series slewing ring bearing, internal gear, 899 mm OD × 650 mm ID.
Specifications
| SlewPro part number | 21N.0744.19.003 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | Internal gear |
| Raceway diameter | 744 mm (29.29 in) |
| Outside diameter | 898.9 mm (35.39 in) |
| Inside diameter | 650.2 mm (25.60 in) |
| Overall height | 55.9 mm (2.20 in) |
| Outer ring height | 45.5 mm (1.79 in) |
| Inner ring height | 45.5 mm (1.79 in) |
| Outer ring bore | 744.5 mm (29.31 in) |
| Inner ring outside diameter | 743.5 mm (29.27 in) |
| All diameters on drawing | 35.39 in (898.9 mm), 32.83 in (833.9 mm), 29.35 in (745.5 mm), 29.31 in (744.5 mm), 29.27 in (743.5 mm), 29.23 in (742.4 mm), 25.60 in (650.2 mm) |
| All heights on drawing | 2.20 in (55.9 mm), 1.79 in (45.5 mm), 0.47 in (11.9 mm) |
| Diametral pitch | 4 |
| Number of teeth | 104 |
| Pitch diameter | 26 in |
| Pressure angle | 20° |
| Material | Steel, 50Mn |
| Approx. weight | 167 lb (76 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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