What does '0.50mm oversize' mean for these bearings?

This means the bearings are slightly larger than standard size. They are intended for use when the crankshaft journals have been machined down by 0.50mm during an engine rebuild to ensure a proper fit and oil clearance.

What is the SV coating on these bearings?

The SV coating is a special surface treatment applied by King Engine Bearings. It's designed to help the bearings seat properly during the initial engine break-in period and reduce wear.

What is the construction of these main bearings?

These bearings utilize a tri-metal construction. This design combines different layers of materials to provide a strong yet conformable surface that can handle engine loads and maintain oil film.

King Engine Bearings Main Bearing Set MB4557SV0.5

Name: King Engine Bearings Mercedes Benz Om 642.822/36/910/20/30/70 O/S (Size +0.50mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-mercedes-benz-om-642-822-36-910-20-30--t14-770424
Price: 126.46 USD
Availability: BackOrder

King Engine Bearings Mercedes Benz Om 642.822/36/910/20/30/70 O/S (Size +0.50mm) Main Bearing Set

$126.46

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

King Engine Bearings Main Bearing Set MB4557SV0.5 for Mercedes Benz OM642 engines. 0.50mm oversize.

Key Features

Fits Mercedes Benz OM642 engines.
Main bearing set is 0.50mm oversize.
Tri-metal construction for strength and conformability.
Features an SV coating for improved run-in and reduced wear.

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Product Details

This is a set of main bearings from King Engine Bearings, specifically for Mercedes-Benz OM642 engines. These bearings are 0.50mm oversize, which is important if your engine's crankshaft journals have been machined down during a rebuild. King is a well-known name in engine bearings, and these are built to handle the demands of keeping your engine running smoothly.

These bearings feature a tri-metal construction, which is standard for performance and heavy-duty applications. This construction offers a good balance of strength and conformability, helping to absorb shock loads and maintain oil film. The SV coating on these bearings is designed to improve initial run-in and reduce wear during the critical break-in period. When you're rebuilding an engine, especially one like the OM642, using a quality bearing set is crucial for long-term reliability.

Make sure to check your crankshaft journal dimensions to confirm that the 0.50mm oversize is correct for your specific engine build. Always follow the manufacturer's recommended installation procedures and torque specifications when installing new bearings.