What does the +0.50mm oversize mean for these main bearings?

The +0.50mm designation indicates that these bearings are larger than the standard factory size. They are intended for use when the crankshaft has been machined down by 0.50mm to correct for wear or to achieve a specific clearance during an engine rebuild.

What is the material of these main bearings?

These bearings are made from a bimetal construction, featuring an aluminum silicon base. This material is chosen for its good wear resistance and ability to support the oil film necessary for proper crankshaft lubrication.

Do these bearings come with installation hardware?

This listing is for the main bearing set only. Installation hardware, such as main bearing bolts or seals, is typically sold separately. Always refer to the manufacturer's installation instructions for a complete list of required components.

Specifications

Brand: King Engine Bearings
Part #: MB5007SI0.5
UPC: 611500409110

King Engine Bearings G.M.C. Saturn (Size +0.50mm) Main Bearing Set

Name: King Engine Bearings G.M.C. Saturn (Size +0.50mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-g-m-c-saturn-size-0-50mm-main-bearing--t14-770450
Price: 68.26 USD
Availability: BackOrder

$68.26

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Fits 1995-2002 Saturn SC1. King Engine Bearings main bearing set, 0.50mm oversize, for engine rebuilding.

Key Features

Fits 1995-2002 Saturn SC1, 1995-2002 Saturn SL1, 1995-2002 Saturn SL, and 1995-1999 Saturn SW1.
Main bearing set designed for engine rebuilding applications.
Features a +0.50mm oversize dimension for use with machined crankshafts.
Constructed with a bimetal aluminum silicon base for durability and performance.
Supports the crankshaft and manages loads within the engine block.

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About this part

Product Details

If you're rebuilding the engine in your 1995-2002 Saturn SC1, main bearings are a critical component to get right. These bearings sit between the crankshaft and the engine block, supporting the rotating assembly and handling significant loads. This set from King Engine Bearings is designed as a direct replacement for your stock bearings, but with a +0.50mm oversize dimension, meaning they're intended for crankshafts that have been machined to this size during an engine rebuild.

King uses a bimetal construction with an aluminum silicon base. This material is well-suited for the demanding environment inside an engine, offering good wear resistance and the ability to conform slightly to the crankshaft surface for optimal oil film support. When you're machining your crankshaft for an overhaul, using bearings that match the new dimensions is essential for proper oil clearance and long-term engine health.