21 SeriesExternal gear
21E.1423.29.000 Slewing Ring Bearing
21 Series slewing ring bearing, external gear, 1,581 mm OD × 1,276 mm ID.
Specifications
| SlewPro part number | 21E.1423.29.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | External gear |
| Raceway diameter | 1,423 mm (56.02 in) |
| Outside diameter | 1,580.9 mm (62.24 in) |
| Inside diameter | 1,276.3 mm (50.25 in) |
| Overall height | 76.2 mm (3.00 in) |
| Outer ring height | 63.5 mm (2.50 in) |
| Inner ring height | 63.5 mm (2.50 in) |
| Outer ring bore | 1,423.9 mm (56.06 in) |
| Inner ring outside diameter | 1,422.4 mm (56.00 in) |
| All diameters on drawing | 62.24 in (1580.9 mm), 56.06 in (1423.9 mm), 56.00 in (1422.4 mm), 53.50 in (1358.9 mm), 50.25 in (1276.3 mm) |
| All heights on drawing | 3.00 in (76.2 mm), 2.50 in (63.5 mm), 0.75 in (19.0 mm) |
| Diametral pitch | 2.5 |
| Number of teeth | 154 |
| Pitch diameter | 61.6 in |
| Pressure angle | 20° |
| Approx. weight | 547 lb (248 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.


