21 SeriesInternal gear
21N.1091.19.000 Slewing Ring Bearing
21 Series slewing ring bearing, internal gear, 1,198 mm OD × 994 mm ID.
Specifications
| SlewPro part number | 21N.1091.19.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | Internal gear |
| Raceway diameter | 1,091 mm (42.95 in) |
| Outside diameter | 1,198.1 mm (47.17 in) |
| Inside diameter | 993.9 mm (39.13 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 | 1,095.5 mm (43.13 in) |
| Inner ring outside diameter | 1,092.5 mm (43.01 in) |
| All diameters on drawing | 47.17 in (1198.1 mm), 44.61 in (1133.1 mm), 43.13 in (1095.5 mm), 43.09 in (1094.5 mm), 43.05 in (1093.5 mm), 43.01 in (1092.5 mm), 39.13 in (993.9 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 | 3 |
| Number of teeth | 119 |
| Pitch diameter | 39.67 in |
| Pressure angle | 20° |
| Material | Steel, 50Mn |
| Approx. weight | 1,220 lb (554 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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