21 SeriesExternal gear
21E.1637.20.000 Slewing Ring Bearing
21 Series slewing ring bearing, external gear, 1,750 mm OD × 1,524 mm ID.
Specifications
| SlewPro part number | 21E.1637.20.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | External gear |
| Raceway diameter | 1,637 mm (64.45 in) |
| Outside diameter | 1,750.1 mm (68.90 in) |
| Inside diameter | 1,524 mm (60.00 in) |
| Overall height | 80 mm (3.15 in) |
| Outer ring height | 71.1 mm (2.80 in) |
| Inner ring height | 71.1 mm (2.80 in) |
| Outer ring bore | 1,639.1 mm (64.53 in) |
| Inner ring outside diameter | 1,635 mm (64.37 in) |
| All diameters on drawing | 68.90 in (1750.1 mm), 64.53 in (1639.1 mm), 64.37 in (1635.0 mm), 62.83 in (1595.9 mm), 60.00 in (1524.0 mm) |
| All heights on drawing | 3.15 in (80.0 mm), 2.80 in (71.1 mm), 0.79 in (20.1 mm) |
| Diametral pitch | 4 |
| Number of teeth | 274 |
| Pitch diameter | 68.5 in |
| Pressure angle | 20° |
| Approx. weight | 507 lb (230 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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