ACL Bearings 4B2966H-STD High Performance Rod Bearing - Set

The ACL Bearings 4B2966H-STD is a standard size high performance connecting rod bearing set designed for Nissan ZD30, QD32, TD25, and TD27 diesel engines. ACL Race Series performance engine bearings are recognized as a premier brand throughout the motorsports world, delivering the durability and precision required for demanding applications.

Key Features:

• P76 overlay provides superior abrasion and fatigue resistance
• CT-1 coating by Calico dry film lubricant reduces friction and wear during intermittent dry lubrication conditions
• Hardened steel backs on all rod bearings improve support of the bearing lining and assist with bearing retention
• Elimination of flash plating on the back improves heat transfer and maximizes grip between bearing and housing
• Increased eccentricity compensates for bore distortion at high RPM and assists in hydrodynamic oil film formation
• Increased crush locks the bearing securely into place for improved shape adaptation
• Micron tolerance machining ensures consistent wall thickness accuracy and maintains reliable clearances

Technical Specifications:

• Part Number: 4B2966H-STD
• Tunnel Diameter: 59.987-60.000mm
• Shaft Diameter: 56.913-56.926mm
• Maximum Wall Thickness: 1.510mm
• Length: 26.10mm
• Size: Standard (STD)
• Suffix: H (Race Series Standard Oil Clearance)

ACL is an Australian designer and producer of engine bearings with over seventy years of experience, now producing one of the biggest inventories of engine bearings globally. These bearings deliver the proven performance trusted by professional engine builders and racers worldwide.