T&D Machine 0421 Needle Bearing for SCE 128 Rocker Arms - 3/4 Inch Diameter

The T&D Machine 0421 is a precision-engineered needle bearing designed specifically for SCE 128 rocker arm bodies. This replacement bearing features a 3/4-inch diameter with a bearing width of 0.433 inches, providing a critical fulcrum point for high-performance rocker arm systems.

Key Specifications:

• Bearing Diameter: 3/4 inch (0.750")
• Bearing Width: 0.433 inches
• Application: T&D Machine SCE 128 rocker arms
• Type: Fully caged needle bearing design
• Material: Hardened steel construction

T&D Machine bearings are manufactured to exacting tolerances to ensure smooth operation and long service life in demanding racing applications. These bearings work within T&D's internally oiled rocker arm systems, where oil is routed through the pushrod to provide continuous lubrication to all bearing surfaces. This replacement bearing is essential for maintaining proper valvetrain geometry and minimizing friction in high-RPM racing engines.

Application Notes:

• Direct replacement for worn or damaged SCE 128 rocker arm body bearings
• Compatible with T&D Machine SCE series shaft-mount rocker arm systems
• Designed for high-performance and racing engine builds
• Requires proper lubrication through pushrod oiling system

T&D Machine has established itself as a leader in rocker arm technology, manufacturing systems for over 400 different cylinder heads. Their products are trusted by professional engine builders and racers worldwide for their precision engineering, durability, and consistent performance in the most demanding applications.