21 SeriesExternal gear
21E.1049.20.002 Slewing Ring Bearing
21 Series slewing ring bearing, external gear, 1,140 mm OD × 940 mm ID.
Specifications
| SlewPro part number | 21E.1049.20.002 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | External gear |
| Raceway diameter | 1,049 mm (41.30 in) |
| Outside diameter | 1,140.4 mm (44.90 in) |
| Inside diameter | 940.3 mm (37.02 in) |
| Overall height | 68.6 mm (2.70 in) |
| Outer ring height | 58.2 mm (2.29 in) |
| Inner ring height | 58.2 mm (2.29 in) |
| Outer ring bore | 1,050.3 mm (41.35 in) |
| Inner ring outside diameter | 1,047.2 mm (41.23 in) |
| All diameters on drawing | 44.899 in (1140.4 mm), 41.35 in (1050.3 mm), 41.23 in (1047.2 mm), 39.76 in (1009.9 mm), 37.02 in (940.3 mm) |
| All heights on drawing | 2.70 in (68.6 mm), 2.29 in (58.2 mm), 0.67 in (17.0 mm) |
| Diametral pitch | 4 |
| Number of teeth | 178 |
| Pitch diameter | 44.5 in |
| Pressure angle | 20° |
| Approx. weight | 222 lb (101 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.