ACL Bearings 4B1269A-10 Standard Connecting Rod Bearings 0.010" Undersize

ACL Bearings 4B1269A-10 standard connecting rod bearings are engineered with Aluglide bi-metal technology to deliver reliable performance for engine rebuilds with reground crankshafts. These bearings feature a 0.010" undersize specification designed for crankshaft journals that have been machined 0.010" below standard size, ensuring proper oil clearance and bearing-to-journal fit.

Key Features:

• Aluglide bi-metal construction with proprietary aluminum, tin, and silicon alloy composition bonded to hardened steel backing
• 0.010" undersize specification for reground crankshaft journals
• Exceptional wear resistance and load-carrying characteristics for standard duty applications
• Precision-manufactured tolerances for consistent bearing clearances
• High-strength steel backing provides improved bearing retention and effective heat dissipation

ACL has manufactured precision engine bearings for over 70 years in Tasmania, Australia, serving both OEM and aftermarket applications. These standard-duty connecting rod bearings are ideal for engine rebuilds requiring reliable replacement bearings for reground crankshafts. The bi-metal Aluglide construction provides outstanding strength and durability for street and performance applications.