What does the '.026' in the part number mean?

The '.026' indicates that these main bearings are 0.026 inches undersize. This means they are designed to be used with a crankshaft that has had its main journals machined down by 0.026 inches to correct wear or imperfections.

Are these bearings compatible with a standard crankshaft?

No, these bearings are specifically 0.026 inches undersize and are intended for use with a crankshaft that has been machined to that specific size. Using them on a standard, unmachined crankshaft will result in incorrect oil clearance and potential engine damage.

What is the main function of main bearings?

Main bearings support the crankshaft within the engine block. They create a low-friction surface for the crankshaft to rotate on and maintain the precise oil clearance needed for proper lubrication and engine operation.

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Specifications

Brand: King Engine Bearings
Part #: MB5243XPC.026
UPC: 611500613074

King Engine Bearings Nissan Sr20De (Size 0.26) Main Bearing Set

Name: King Engine Bearings Nissan Sr20De (Size 0.26) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-nissan-sr20de-size-0-26-main-bearing-s-t14-432448
Price: 152.19 USD
Availability: BackOrder

$152.19

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King Engine Bearings SR20DE Main Bearing Set MB5243XPC.026. This is a 0.026 inch undersize bearing set.

Key Features

This is a set of main bearings for Nissan SR20DE engines.
The bearings are 0.026 inches undersize.
Includes main bearings from King Engine Bearings.

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About this part

Product Details

This kit includes a set of King Engine Bearings main bearings for your Nissan SR20DE engine, specifically sized at 0.026 inches undersize. These bearings are a crucial component for the health of your engine's crankshaft, providing a smooth surface for it to rotate on while maintaining proper oil clearance. When rebuilding or repairing your SR20DE, ensuring you have the correct bearing size is key to proper engine function and longevity.

King Engine Bearings is a well-known name in engine components, and this set is built to meet the demands of performance and daily driving. The 0.026 inch undersize specification means these are intended for use when the crankshaft journals have been machined down by 0.026 inches to clean up wear or damage. Proper installation, including ensuring the crankshaft journals are clean and within the specified tolerance, is important for these bearings to perform as intended.