30 SeriesExternal gearRotek A8-17E10BQ
30E.0422.25.019 Slewing Ring Bearing
30 Series slewing ring bearing, external gear, 520 mm OD × 324 mm ID. Interchangeable with Rotek A8-17E10BQ.
Specifications
| SlewPro part number | 30E.0422.25.019 |
|---|---|
| Series | 30 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | External gear |
| Raceway diameter | 422 mm (16.61 in) |
| Outside diameter | 520.4 mm (20.49 in) |
| Inside diameter | 323.8 mm (12.75 in) |
| Overall height | 54.1 mm (2.13 in) |
| Outer ring height | 52.3 mm (2.06 in) |
| Inner ring height | 52.3 mm (2.06 in) |
| Outer ring bore | 420.1 mm (16.54 in) |
| Inner ring outside diameter | 424.2 mm (16.70 in) |
| All diameters on drawing | 20.49 in (520.4 mm), 19.70 in (500.4 mm), 16.70 in (424.2 mm), 16.54 in (420.1 mm), 12.75 in (323.8 mm) |
| All heights on drawing | 2.13 in (54.1 mm), 2.06 in (52.3 mm), 2.00 in (50.8 mm), 0.06 in (1.5 mm) |
| Diametral pitch | 5 |
| Number of teeth | 101 |
| Pitch diameter | 20.2 in |
| Pressure angle | 20° |
| Approx. weight | 99.0 lb (45 kg) |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
Crosses to
| Rotek | A8-17E10BQ |
|---|
Interchange based on published dimensions; our engineers confirm fit before quoting.
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.


