What is the function of main bearings in an engine?

Main bearings are crucial components that support the crankshaft within the engine block. They allow the crankshaft to rotate smoothly while managing the substantial forces generated during combustion and power delivery.

What is the importance of proper bearing clearance?

Proper bearing clearance is vital for the formation of an oil film. This oil film lubricates and cools the bearing surfaces, preventing direct metal-to-metal contact and ultimately reducing wear on both the bearings and the crankshaft.

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Specifications

Brand: King Engine Bearings
Part #: MB1284SV0.5
UPC: 611500586323

King Engine Bearings Mercedes-Benz OM 651.930 DOHC (Size 0.5) Main Bearing Set

Name: King Engine Bearings Mercedes-Benz OM 651.930 DOHC (Size 0.5) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-mercedes-benz-om-651-930-dohc-size-0-5-t14-583346
Price: 39.14 USD
Availability: BackOrder

$39.14

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King Engine Bearings main bearing set for Mercedes-Benz OM 651.930 DOHC. Size 0.5.

Key Features

This is a main bearing set for Mercedes-Benz OM 651.930 DOHC engines.
The set includes bearings that are 0.5mm undersize.
Supports the crankshaft within the engine block for smooth rotation.
Designed to handle significant loads during engine operation.

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About this part

Product Details

This is a main bearing set from King Engine Bearings, part number MB1284SV0.5. This set includes the main bearings for a Mercedes-Benz OM 651.930 DOHC engine, specifically sized at 0.5mm undersize. Main bearings are critical components that support the crankshaft within the engine block, allowing it to rotate smoothly while handling significant loads.

King Engine Bearings is known for its well-built engine components. This particular set is designed to meet the specific requirements of the OM 651.930 engine. The 0.5mm undersize sizing indicates these bearings are intended for use when the crankshaft journals have been machined down by 0.5mm to correct wear or out-of-round conditions. Proper bearing clearance is essential for oil film formation, which lubricates and cools the bearing surfaces, preventing metal-to-metal contact and premature wear.