What does the +0.50mm sizing mean for these bearings?

The +0.50mm sizing indicates that these bearings are intended for use when the crankshaft journals have been machined down by 0.020 inches (0.50mm) during an engine rebuild. It's crucial to verify your crankshaft journal dimensions before installation.

Are these bearings suitable for high-performance or racing engines?

These bearings are specifically noted as ideal for low to medium-load engines. For high-performance or racing applications, you would typically look for bearings designed for higher stress levels.

What is the benefit of a lead-free composite material?

The lead-free composite material is environmentally safe. This construction is also noted as being suitable for engines operating under lower to medium load conditions.

Specifications

Brand: King Engine Bearings
Part #: MB5225AM0.5
UPC: 611500239328

King Engine Bearings Mazda 626 F8 (Size +0.50mm) Main Bearing Set

Name: King Engine Bearings Mazda 626 F8 (Size +0.50mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-mazda-626-f8-size-0-50mm-main-bearing--t14-770541
Price: 54.98 USD
Availability: BackOrder

$54.98

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Fits 1986-1992 Mazda 626. King Engine Bearings Main Bearing Set. Lead-free composite bearings for low to medium-load engines.

Key Features

Fits 1986-1992 Mazda 626, 1989-1992 Ford Probe, and 1988-1992 Mazda MX-6.
Main bearing set is +0.50mm undersize, intended for machined crankshaft journals.
Constructed with a lead-free, environmentally safe composite material.
Features a bi-metal aluminum construction.
Ideal for low to medium-load engine applications.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

King Engine Bearings has been specializing in engine bearings since 1960, aiming to provide the highest quality available. This main bearing set is designed for your 1986-1992 Mazda 626, and it's built with a lead-free, environmentally safe composite material. This makes them a solid option for engines that operate under low to medium loads.

These bearings are constructed from a bi-metal aluminum material, offering a well-built component for your engine's bottom end. This particular set is sized at +0.50mm, meaning it's meant for crankshaft journals that have been machined down by that amount during an engine rebuild. Always ensure your crankshaft journals are properly measured and machined to the correct size before installing bearings.