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ACL Bearings 4M1149A-STD Standard Main Bearings with Aluglide Coating

Manufacturer

Picture for manufacturer ACL Bearings

Part Number

4M1149A-STD
12 reviews
Sale Price

$13.09

Estimated ship date Saturday, November 28

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Product Details

The ACL Bearings 4M1149A-STD is a complete standard size main bearing set engineered for high-performance and racing applications. These precision bearings feature ACL's advanced Aluglide bearing material, a proprietary aluminum-based alloy that provides exceptional wear resistance and load-carrying capacity.

Key Features:

  • Aluglide bearing material for superior durability and fatigue resistance
  • Standard (STD) size for stock crankshaft journals
  • Precision-manufactured to strict tolerances for optimal oil clearance
  • High crush design ensures proper retention in bearing saddles
  • Compatible with both petroleum and synthetic lubricants
  • Engineered for high-RPM and high-load applications

ACL Race Series bearings are a popular choice among engine builders and performance enthusiasts for their proven reliability in demanding conditions. The Aluglide material combines a harder surface with excellent embeddability, providing protection against debris while maintaining proper oil film. Each bearing set is manufactured to exacting standards to ensure proper fit and long service life.

Products specifications

Size

Standard

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