SKF 99128 Speedi Sleeve Kit for 1.260in Shaft Diameter

From the Brand

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Quality Equivalent to OEM Standards

Yes, you can rest assured that SKF products maintain a quality equivalent to Original Equipment (OE) standards.

Installing the Speedi-Sleeve

Here’s a concise guide on how to install an SKF SPEEDI-SLEEVE:

1. Begin by cleaning the shaft's seal counter surface, removing any burrs or rough edges.
2. Measure the diameter at the intended sleeve position on an unworn section of the shaft, taking readings in three different positions and averaging them. Ensure the mean diameter falls within the recommended specifications for the chosen sleeve size, which allows for a secure press fit without the need for adhesive.
3. Identify the exact position for the sleeve to cover the seal wear track. Mark it clearly or measure accurately to ensure precision. The sleeve must cover the worn area completely, rather than being flush or bottomed against the shaft's end.
4. For shallow wear grooves, filling is not necessary. However, you may opt for a thin layer of non-hardening sealant (e.g., Loctite 209) inside the sleeve. Remove any excess sealant that may migrate to the outer diameter of the sleeve or shaft.
5. In cases of deeply scored shafts, use a powdered metal epoxy filler to fill the groove. Install the sleeve before the filler cures to allow it to wipe off excess material. Clean any remaining filler from the sleeve’s outer diameter.
6. Start by placing the flange end of the sleeve onto the shaft, then position the installation tool over it.
7. Gently tap the center of the installation tool until the sleeve adequately covers the worn seal surface. Should the installation tool be too short, you can utilize a pipe of matching diameter to assist in installation. Handle the sleeve with care to avoid scratching its precision-ground exterior.
8. Leave the flange intact unless clearance is needed. To remove it, cut perpendicular to the tear-off groove with metal shears, ensuring no damage to the sleeve. Use pliers to bend the flange back and forth until it detaches along the groove.
9. After sleeve installation, double-check for any burrs that could potentially damage the new seal.
10. Prior to installing the sleeve, lubricate it with the relevant system medium.
11. Finally, proceed with the seal installation.

Determining the Right Size

To find the correct sleeve size, cleanse the shaft carefully. Measure the diameter of an undamaged section of the seal counterface at multiple points and calculate the average. If this value lies within the permissible range for shaft diameter listed in the product specifications, the SKF SPEEDI-SLEEVE will provide a secure fit without needing adhesive.

The SKF SPEEDI-SLEEVE is a fast, effective solution for repairing worn shafts—faster than traditional remetalizing or regrinding methods—and it offers an improved sealing system. The sleeve's exterior provides an ideal sealing surface, whereas many common refinishing techniques fail to achieve a proper seal.

The standard range of SKF SPEEDI-SLEEVE sizes accommodates shaft diameters from 0.472 inches (12 mm) to 8 inches (200 mm). Constructed from high-quality stainless steel, these thin-walled sleeves (0.011 inches or 0.28 mm thick) feature a wear-resistant finish with a roughness of Ra 10 to 20 µin (0.25 to 0.5 µm). No costly machining or preparation is necessary before installation, reducing downtime to just a few minutes.

In conclusion, the SKF SPEEDI-SLEEVE provides a low-cost and efficient solution for restoring crankshaft sealing surfaces. Easy to slip onto worn areas, it creates an interface harder than that of a new shaft, ensuring that the same size seal fits securely onto the new surface. Each SPEEDI-SLEEVE kit includes a disposable installation tool to facilitate straightforward installation, although care is needed to guarantee optimal results.

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