21 SeriesPlain (no gear)Rothe Erde 230.20.0700.013SilverThin FU-850-20-00-CC-LM
21P.0744.20.000 Slewing Ring Bearing
21 Series slewing ring bearing, plain (no gear), 848 mm OD × 634 mm ID. Interchangeable with Rothe Erde 230.20.0700.013, SilverThin FU-850-20-00-CC-LM.
Specifications
| SlewPro part number | 21P.0744.20.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | Plain (no gear) |
| Raceway diameter | 744 mm (29.29 in) |
| Outside diameter | 848.1 mm (33.39 in) |
| Inside diameter | 634 mm (24.96 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 | 745.5 mm (29.35 in) |
| Inner ring outside diameter | 742.4 mm (29.23 in) |
| All diameters on drawing | 33.39 in (848.1 mm), 30.83 in (783.1 mm), 29.35 in (745.5 mm), 29.23 in (742.4 mm), 27.76 in (705.1 mm), 24.96 in (634.0 mm) |
| All heights on drawing | 2.20 in (55.9 mm), 1.79 in (45.5 mm), 0.47 in (11.9 mm), 0.41 in (10.4 mm) |
| Material | Steel, 50Mn |
| Approx. weight | 98.0 lb (44 kg) |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
Crosses to
| Rothe Erde | 230.20.0700.013 |
|---|---|
| SilverThin | FU-850-20-00-CC-LM |
Interchange based on published dimensions; our engineers confirm fit before quoting.
CAD & documents
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