Timken National 99242 Redi Sleeve Shaft Repair

Description:

The Timken National Redi-Sleeve 99242 is a precision-engineered stainless steel shaft repair sleeve designed to restore worn, grooved, or damaged shaft sealing surfaces without requiring shaft replacement or re-machining. Installed directly over the existing shaft, it provides a smooth, wear-resistant sealing surface for standard radial shaft oil seals, extending seal life while reducing maintenance costs and equipment downtime. The 99242 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 this shaft repair sleeve for equipment repairs, retrofit projects, seal restoration, and preventive maintenance.

Applications:

The Timken National Redi-Sleeve 99242 is designed to repair worn shaft seal contact surfaces and restore reliable sealing performance while allowing continued use of the original shaft and standard oil seal size. Its precision thin-wall stainless steel construction provides a hardened, corrosion-resistant running surface 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 resulted in lubricant leakage or premature seal failure.

Technical Specifications:

• Manufacturer Part Number (MPN): 99242
• Manufacturer: Timken National
• Product Type: Shaft Repair Sleeve (Redi-Sleeve®)
• Product Series: Redi-Sleeve®
• Material: Stainless Steel
• Design Units: Inch (Imperial)
• Shaft Size Range: 2.435–2.441 in (61.849–62.001 mm)
• Nominal Shaft Diameter: 2.438 in (61.93 mm)
• Flanged Outside Diameter: 2.827 in (71.806 mm)
• Width on Shaft (Seal Running Surface): 0.500 in (12.70 mm)
• Overall Width: 0.626 in (15.90 mm)
• Installation Depth: 1.417 in (35.992 mm)
• Construction: Precision Thin-Wall Stainless Steel Sleeve with Installation Flange
• Surface Finish: Precision Ground, Lead-Free Running Surface
• Function: Restores worn shaft sealing surfaces without shaft replacement or machining
• Compatible Components: Standard radial shaft oil seals for 2.438 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 99242
• National Redi-Sleeve 99242 Equivalent
• CR Shaft Repair Sleeve for 2.438 in Shaft Diameter