S&S Cycle Timken Left Sprocket Shaft Bearing for 1984-2017 Harley-Davidson Big Twin

S&S Cycle Timken Left Sprocket Shaft Bearing for 1984-2017 Harley-Davidson Big Twin

The left sprocket shaft bearing is one of the most critical wear items in any Big Twin engine, and using a Timken precision bearing ensures reliable performance over the full service life of the engine. This S&S Cycle Timken bearing is the standard specification for Evolution models and a quality conversion for Twin Cam engines, replacing OEM part number 9028.

Key Features

• Timken-brand left main sprocket shaft bearing for Big Twin engines
• Fits 1984-1999 Evolution Big Twin as OEM replacement
• Fits 2000-2017 Twin Cam Big Twin as a Timken bearing conversion
• Replaces OEM part number 9028
• Standard specification bearing for S&S T-series engine assemblies
• Made in the USA by S&S Cycle

Technical Specifications

• Type: Left main sprocket shaft bearing (Timken)
• OEM Replacement: 9028
• Application: 1984-1999 Evolution and 2000-2017 Twin Cam Big Twin
• Country of Origin: USA

Fitment Notes

• Fits 1984-1999 Harley-Davidson Evolution Big Twin as a direct OEM replacement
• Fits 2000-2017 Harley-Davidson Twin Cam Big Twin as a Timken conversion upgrade
• Replaces OEM part number 9028
• Standard specification bearing for S&S T-series engine cases
• Review the Fitment tab for complete year and model breakdown