21 SeriesPlain (no gear)Rotek L9-42P9Z
21P.1055.29.000 Slewing Ring Bearing
21 Series slewing ring bearing, plain (no gear), 1,200 mm OD × 905 mm ID. Interchangeable with Rotek L9-42P9Z.
Specifications
| SlewPro part number | 21P.1055.29.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | Plain (no gear) |
| Raceway diameter | 1,055 mm (41.54 in) |
| Outside diameter | 1,199.9 mm (47.24 in) |
| Inside diameter | 905 mm (35.63 in) |
| Overall height | 89.9 mm (3.54 in) |
| Outer ring height | 71.1 mm (2.80 in) |
| Inner ring height | 71.1 mm (2.80 in) |
| All diameters on drawing | 47.24 in (1199.9 mm), 43.98 in (1117.1 mm), 41.71 in (1059.4 mm), 41.59 in (1056.4 mm), 41.48 in (1053.6 mm), 41.36 in (1050.5 mm), 39.09 in (992.9 mm), 35.63 in (905.0 mm) |
| All heights on drawing | 3.54 in (89.9 mm), 2.80 in (71.1 mm), 0.83 in (21.1 mm) |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
Crosses to
| Rotek | L9-42P9Z |
|---|
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.


