OE replacment Bi-metal For BMW N57 D30 A/B/C, N57N, N57S HOUSING +0.5MM - MB7791SM

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King Bearings' SM Series features the strongest Aluminum based alloy at King (by adding Manganese and Chromium to the base layer). Tailored for high-load applications, it serves as an exceptional Lead-free OE replacement bearing with high wear resistance properties.
Commonly use for high-load applications requiering high wear resistance properties
Crankshaft Dim. Housing Dim. Length Thickness
54.99 / 54.97 mm
2.1650 / 2.1642 inch
60.52 / 60.50 mm
2.3827 / 2.3819 inch
Position :
24.9 mm
0.980 inch

Position :
18.7 mm
0.736 inch
2.748 mm
0.1082 inch
Bearings are designed with 0.5mm oversize diameter, allowing to repair the housing of block by line honing block
Main Bearing Set For BMW N57 D30 A/B/C, N57N, N57S HOUSING +0.5MM - MB7791SM
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Performance features

Material features

Tech Features

Aluminum Based
aluminum base
Bi Metal Aluminum material

Lead free Aluminum based material used for low to heavy load engines

ManganX™
ManganX
Strengthened
Aluminum

An aluminum alloy strengthened by addition of Manganese and Chromium (Mn, Cr), Used for high load applications.

Lead free
Lead Free
Environmentally safe composite

A lead-free bearing material prioritizes environmental sustainability and safety, utilizing alternative compounds to achieve optimal performance in diverse applications.

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