What does the +0.75mm sizing mean for these main bearings?

The +0.75mm sizing indicates that these bearings are undersize by 0.75mm. This means they are intended for use when the crankshaft journals have been machined down by 0.75mm during an engine rebuild to correct for wear or damage.

What is the benefit of a bimetal aluminum base construction?

A bimetal construction typically combines different metals to leverage their individual strengths. An aluminum base offers good conformability and embeddability, helping the bearing adapt to the crankshaft surface while managing heat.

Are these bearings sold individually or as a set?

This product is a main bearing set, which means it includes all the necessary main bearings required to replace the complete set in your Isuzu 4JB1/T engine.

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Specifications

Brand: King Engine Bearings
Part #: MB5296AM0.75
UPC: 611500402401

King Engine Bearings Isuzu 4Jb1/T (Size +0.75mm) Main Bearing Set

Name: King Engine Bearings Isuzu 4Jb1/T (Size +0.75mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-isuzu-4jb1-t-size-0-75mm-main-bearing--t14-770640
Price: 57.61 USD
Availability: BackOrder

$57.61

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King Engine Bearings Isuzu 4JB1/T Main Bearing Set. Bimetal aluminum base construction for durability.

Key Features

This is a main bearing set for Isuzu 4JB1/T engines.
The bearings feature a bimetal construction with an aluminum base.
This set is sized +0.75mm, meaning it is 0.75mm undersize for use with a machined crankshaft.
King Engine Bearings is a popular brand for engine components.

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About this part

Product Details

Built with a bimetal aluminum base, this main bearing set from King Engine Bearings is designed for Isuzu 4JB1/T engines. Main bearings are critical for keeping the crankshaft properly aligned and supported within the engine block. They handle the immense forces generated during combustion and rotation, ensuring smooth operation and preventing premature wear on the crankshaft and block surfaces.

This particular set is sized at +0.75mm, meaning it's intended for use when the crankshaft journals have been machined down by 0.75mm during an engine rebuild. Using the correct undersize bearing is essential for achieving proper oil clearance, which is vital for lubrication and the longevity of your engine. King Engine Bearings is a well-known name in engine components, and this set reflects their focus on providing reliable parts for engine rebuilding.