Timken 99193 Shaft Repair Sleeve Redi-Sleeve

Description:

The Timken National 99193 is a precision-engineered Redi-Sleeve® shaft repair sleeve, not an oil seal. It is designed to restore worn, grooved, or damaged shaft sealing surfaces without requiring shaft replacement or machining. Manufactured from high-quality stainless steel, the ultra-thin sleeve installs directly over the existing shaft to provide a smooth, wear-resistant, and corrosion-resistant sealing surface for standard radial shaft oil seals. The National 99193 Redi-Sleeve® is widely used in industrial gearboxes, pumps, compressors, electric motors, conveyors, agricultural machinery, and heavy-duty rotating equipment. Maintenance teams, OEMs, and system integrators rely on it for equipment repairs, retrofit projects, seal restoration, and preventive maintenance to minimize downtime and extend equipment service life.

Applications:

The Timken National 99193 Redi-Sleeve® is designed to repair worn shaft seal contact surfaces while allowing continued use of the original shaft and standard oil seal size. Its precision thin-wall stainless steel construction restores proper sealing performance with minimal impact on shaft dimensions, making it ideal for industrial gearboxes, pumps, compressors, electric motors, wheel-end assemblies, conveyors, agricultural equipment, and other rotating machinery where shaft wear has caused lubricant leakage or premature seal failure.

Technical Specifications:

• Manufacturer Part Number (MPN): 99193
• Manufacturer: Timken National
• Product Type: Shaft Repair Sleeve (Redi-Sleeve®)
• Product Series: Redi-Sleeve® 99000 Series
• Material: Stainless Steel
• Design Units: Inch (Imperial)
• Shaft Size Range: 1.934–1.940 in (49.124–49.276 mm)
• Nominal Shaft Diameter: 1.937 in (49.20 mm)
• Flanged Outside Diameter: 2.219 in (56.363 mm)
• Width on Shaft (Seal Running Surface): 0.563 in (14.30 mm)
• Overall Width: 0.688 in (17.475 mm)
• Installation Depth: 1.000 in (25.40 mm)
• Construction: Precision Thin-Wall Stainless Steel Sleeve with Installation Flange
• Surface Finish: Precision Ground, 10–20 µin Ra (0.25–0.50 µm Ra), Lead-Free
• Function: Restores worn shaft sealing surfaces without shaft replacement or machining
• Compatible Components: Standard radial shaft oil seals for approximately 1.937 in shaft diameters
• Typical Applications: Pumps, gearboxes, compressors, electric motors, conveyors, agricultural equipment, wheel hubs, and industrial power transmission systems.

Common Replacements:

• SKF Speedi-Sleeve 99193
• National Redi-Sleeve 99193 Equivalent
• CR Shaft Repair Sleeve for 1.937 in Shaft Diameter