What does it mean that these bearings are undersize 0.75mm?

An undersize bearing is used when the crankshaft journals have been machined down, typically during an engine rebuild. This 0.75mm undersize means the bearing is slightly smaller than a standard size to ensure proper clearance and fit on a machined crankshaft.

What vehicles does this specific ACL bearing set fit?

This ACL 5M1706A-.75 bearing set is designed for 1.9L engines in the 1985-2002 Ford Escort, the 2000-2004 Ford Focus, and the 1997-1999 Mercury Tracer.

Do I need to buy anything else to install these bearings?

When installing main bearings, it's standard practice to also replace the main bearing cap bolts and use assembly lube. Always consult your vehicle's service manual for a complete list of required parts and procedures.

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Specifications

Brand: ACL
Part #: 5M1706A-.75

ACL Ford Prod. 4 1.9L 1985-96 Engine Crankshaft Main Bearing Set

Name: ACL Ford Prod. 4 1.9L 1985-96 Engine Crankshaft Main Bearing Set
Brand: ACL
SKU: acl-acl-ford-prod-4-1-9l-1985-96-engine-crankshaft-main-bearing-set-t14-632868
Price: 23.74 USD
Availability: BackOrder

$23.74

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Fits 1985-2002 Ford Escort. ACL crankshaft main bearing set for 1.9L engines. Undersize 0.75mm.

Key Features

Fits 1985-2002 Ford Escort, 2000-2004 Ford Focus, and 1997-1999 Mercury Tracer.
Designed for 1.9L Ford engines.
Crankshaft main bearing set.
Undersize 0.75mm for use with machined crankshafts.
Well-built by ACL, a long-standing bearing manufacturer.

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About this part

Product Details

ACL has been making engine bearings for decades, and this crankshaft main bearing set for your Ford Escort is one of their staples. These bearings are crucial for keeping your engine's crankshaft spinning smoothly within the engine block. They sit between the crankshaft journals and the engine block, reducing friction and wear.

This particular set is undersized by 0.75mm, which is important if your crankshaft has been machined down during a rebuild. Using the correct undersize bearing ensures a proper fit and oil clearance, which is vital for engine longevity. ACL uses well-built materials and manufacturing processes to create bearings that hold up under normal operating conditions.

When you're rebuilding or repairing your engine, getting the right bearings is key. This set is designed to fit your 1.9L Ford Escort, Focus, or Mercury Tracer from the specified years. Always refer to your vehicle's service manual for the correct installation procedures and torque specifications.