21 SeriesPlain (no gear)Rotek L4-13P8Z
21P.0323.13.000 Slewing Ring Bearing
21 Series slewing ring bearing, plain (no gear), 401 mm OD × 233 mm ID. Interchangeable with Rotek L4-13P8Z.
Specifications
| SlewPro part number | 21P.0323.13.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | Plain (no gear) |
| Raceway diameter | 323 mm (12.72 in) |
| Outside diameter | 401.1 mm (15.79 in) |
| Inside diameter | 232.9 mm (9.17 in) |
| Overall height | 39.6 mm (1.56 in) |
| Outer ring height | 31.2 mm (1.23 in) |
| Inner ring height | 32.3 mm (1.27 in) |
| Outer ring bore | 297.9 mm (11.73 in) |
| Inner ring outside diameter | 348 mm (13.70 in) |
| All diameters on drawing | 15.79 in (401.1 mm), 13.70 in (348.0 mm), 12.78 in (324.6 mm), 12.72 in (323.1 mm), 12.66 in (321.6 mm), 11.73 in (297.9 mm), 9.17 in (232.9 mm) |
| All heights on drawing | 1.56 in (39.6 mm), 1.27 in (32.3 mm), 1.23 in (31.2 mm), 0.30 in (7.6 mm), 0.26 in (6.6 mm) |
| Material | Steel, 50Mn |
| Approx. weight | 22.2 lb (10 kg) |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
Crosses to
| Rotek | L4-13P8Z |
|---|
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.