What does 0.25mm oversized mean for these bearings?

This means the bearings are slightly larger than standard size by 0.25mm. They are designed to be used when the crankshaft journals have been machined down by 0.25mm to correct for wear or achieve a specific clearance during an engine rebuild.

What is the main function of main bearings?

Main bearings support the crankshaft within the engine block. They create the necessary clearance for oil to flow, lubricating the rotating crankshaft and preventing direct metal-to-metal contact, which is vital for engine longevity.

Are these bearings sold individually or as a set?

This is a set of main bearings, intended to replace all the main bearings in your engine during a rebuild.

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Trusted Since 1957

Est. 1957

ACL 89-02 Nissan KA24E/DE 0.25mm Oversized Main Bearing Set

Specifications

Brand: ACL
Part #: 5M2747A-.25
UPC: 084777700935

ACL 89-02 Nissan KA24E/DE 0.25mm Oversized Main Bearing Set

Name: ACL 89-02 Nissan KA24E/DE 0.25mm Oversized Main Bearing Set
Brand: ACL
Price: 23.64 USD
Availability: InStock

$23.64

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Fits 1990 Nissan Axxess. ACL 0.25mm oversized main bearing set for KA24E/DE engines.

Key Features

Fits 1990 Nissan Axxess.
0.25mm oversized main bearing set.
Designed for KA24E and KA24DE engines.
Maintains proper oil clearance for crankshaft journals.
Well-built for engine rebuilding applications.

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Fits this vehicle

Nissan Axxess 1990

Product Details

Already running a built KA24E or KA24DE engine? This 0.25mm oversized main bearing set from ACL is the next piece of the puzzle for ensuring proper oil clearance and a solid foundation for your build. These bearings are crucial for maintaining the correct gap between the crankshaft and the engine block, which is essential for oil flow and preventing metal-on-metal contact as your engine spins.

ACL has been making engine bearings for a long time, and this set is well-built for the job. The 0.25mm oversize means these are intended for use when the crankshaft journals have been machined down by 0.25mm to correct for wear or to achieve a specific clearance. Proper installation, including ensuring the crankshaft journals are clean and within the specified tolerance, is key to getting the most out of these bearings.