Timken National 99499 Redi Sleeve Shaft Repair

Description:

The Timken National Redi-Sleeve 99499 is a precision-engineered stainless steel shaft repair sleeve designed to restore worn, grooved, or damaged shaft sealing surfaces without requiring shaft replacement or machining. Installed over the existing shaft, it provides a smooth, wear-resistant, and corrosion-resistant sealing surface for standard radial shaft oil seals, extending seal life while minimizing maintenance costs and equipment downtime. The 99499 Redi-Sleeve is commonly used in industrial gearboxes, pumps, compressors, electric motors, conveyors, mining equipment, and heavy-duty rotating machinery. Maintenance teams, OEMs, and system integrators specify this shaft repair sleeve for repair, retrofit, replacement, and preventive maintenance to restore sealing performance and prolong equipment service life.

Applications:

The Timken National Redi-Sleeve 99499 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 provides a hardened sealing surface with minimal impact on shaft dimensions, making it ideal for industrial gearboxes, pumps, compressors, electric motors, wheel-end assemblies, conveyors, mining equipment, agricultural machinery, and other rotating equipment where shaft wear has caused lubricant leakage or premature seal failure.

Technical Specifications:

• Manufacturer Part Number (MPN): 99499
• 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: 4.998–5.006 in (126.949–127.152 mm)
• Nominal Shaft Diameter: 5.000 in (127.0 mm)
• Flanged Outside Diameter: 5.406 in (137.312 mm)
• Width on Shaft (Seal Running Surface): 0.813 in (20.65 mm)
• Overall Width: 1.000 in (25.40 mm)
• Installation Depth: 1.500 in (38.10 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 approximately 5.000 in shaft diameters
• Typical Applications: Pumps, gearboxes, compressors, electric motors, conveyors, mining equipment, agricultural machinery, wheel hubs, and industrial power transmission systems.

Common Replacements:

• SKF Speedi-Sleeve 99499
• National Redi-Sleeve 99499 Equivalent
• CR Shaft Repair Sleeve for 5.000 in Shaft Diameter