21 SeriesPlain (no gear)
21P.0644.20.000 Slewing Ring Bearing
21 Series slewing ring bearing, plain (no gear), 746 mm OD × 536 mm ID.
Specifications
| SlewPro part number | 21P.0644.20.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | Plain (no gear) |
| Raceway diameter | 644 mm (25.35 in) |
| Outside diameter | 746 mm (29.37 in) |
| Inside diameter | 535.9 mm (21.10 in) |
| Overall height | 55.9 mm (2.20 in) |
| Outer ring height | 47.5 mm (1.87 in) |
| Inner ring height | 47.5 mm (1.87 in) |
| Outer ring bore | 645.4 mm (25.41 in) |
| Inner ring outside diameter | 642.6 mm (25.30 in) |
| All diameters on drawing | 29.37 in (746.0 mm), 26.95 in (684.5 mm), 25.41 in (645.4 mm), 25.30 in (642.6 mm), 23.76 in (603.5 mm), 21.10 in (535.9 mm) |
| All heights on drawing | 2.20 in (55.9 mm), 1.87 in (47.5 mm), 0.47 in (11.9 mm) |
| Material | Steel, 50Mn |
| Approx. weight | 89.0 lb (40 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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