21 SeriesExternal gear
21E.0544.20.005 Slewing Ring Bearing
21 Series slewing ring bearing, external gear, 640 mm OD × 434 mm ID.
Specifications
| SlewPro part number | 21E.0544.20.005 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | External gear |
| Raceway diameter | 544 mm (21.42 in) |
| Outside diameter | 640.3 mm (25.21 in) |
| Inside diameter | 434 mm (17.09 in) |
| Overall height | 55.9 mm (2.20 in) |
| Outer ring height | 44.4 mm (1.75 in) |
| Inner ring height | 47.5 mm (1.87 in) |
| Outer ring bore | 545.5 mm (21.48 in) |
| Inner ring outside diameter | 542.5 mm (21.36 in) |
| All diameters on drawing | 25.21 in (640.3 mm), 21.476 in (545.5 mm), 21.358 in (542.5 mm), 19.78 in (502.4 mm), 17.087 in (434.0 mm) |
| All heights on drawing | 2.20 in (55.9 mm), 1.87 in (47.5 mm), 1.75 in (44.4 mm), 1.40 in (35.6 mm), 0.47 in (11.9 mm), 0.18 in (4.6 mm) |
| Gear module | 6 |
| Number of teeth | 105 |
| Pitch diameter | 24.803 mm |
| Pressure angle | 20° |
| Approx. weight | 94.0 lb (43 kg) |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
CAD & documents
Get this bearing
Standard lead time 14–16 weeks; expediting available for an additional charge. Pricing quoted within 1–2 business days. Matching pinions available.
Request a QuoteTalk to an engineer
Need help selecting the right part? Our engineers will size it, cross it, and quote it — usually within 1–2 business days.
Not in the catalog? We design to your application, with no engineering charge.