21 SeriesInternal gearKaydon RK6-29N1ZRotek L6-29N9Z
21N.0744.19.000 Slewing Ring Bearing
21 Series slewing ring bearing, internal gear, 848 mm OD. Interchangeable with Kaydon RK6-29N1Z, Rotek L6-29N9Z.
Specifications
| SlewPro part number | 21N.0744.19.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | Internal gear |
| Raceway diameter | 744 mm (29.29 in) |
| Outside diameter | 848.1 mm (33.39 in) |
| Overall height | 55.9 mm (2.20 in) |
| Outer ring height | 45.5 mm (1.79 in) |
| Inner ring height | 45.5 mm (1.79 in) |
| Outer ring bore | 745.5 mm (29.35 in) |
| Inner ring outside diameter | 742.4 mm (29.23 in) |
| All diameters on drawing | 33.39 in (848.1 mm), 30.83 in (783.1 mm), 29.35 in (745.5 mm), 29.23 in (742.4 mm) |
| All heights on drawing | 2.20 in (55.9 mm), 1.79 in (45.5 mm), 1.10 in (27.9 mm), 0.47 in (11.9 mm) |
| Diametral pitch | 4 |
| Number of teeth | 104 |
| Pitch diameter | 26 in |
| Pressure angle | 20° |
| Material | Steel, Aisi 4150 Carbon |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
Crosses to
| Kaydon | RK6-29N1Z |
|---|---|
| Rotek | L6-29N9Z |
Interchange based on published dimensions; our engineers confirm fit before quoting.
CAD & documents
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Standard lead time 14–16 weeks; expediting available for an additional charge. Pricing quoted within 1–2 business days. Matching pinions available.
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