What does 0.50mm oversized mean for these bearings?

This means the bearings are thicker than standard by 0.50mm. They are used when the crankshaft journals have been machined down by 0.50mm during an engine rebuild to account for wear or to set specific clearances.

What is the overlay material used in these bearings?

The overlay is a babbit material that provides excellent conformability and embeddability, helping to absorb shock loads and maintain a consistent oil film for smooth crankshaft operation.

Are these bearings sold individually or as a set?

This product is a main bearing set, meaning it includes all the necessary main bearings required for a complete engine rebuild of the specified Isuzu 4HK1 engine.

Specifications

Brand: King Engine Bearings
Part #: MB5743CP0.5
UPC: 611500583322

King Engine Bearings Isuzu 4HK1 (Size 0.50 Oversized) Main Bearing Set

Name: King Engine Bearings Isuzu 4HK1 (Size 0.50 Oversized) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-isuzu-4hk1-size-0-50-oversized-main-be-t14-45749
Price: 144.54 USD
Availability: BackOrder

$144.54

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King Engine Bearings Isuzu 4HK1 (Size 0.50 Oversized) Main Bearing Set. A well-built set for your engine rebuild.

Key Features

Fits Isuzu 4HK1-TCN engines.
Main bearing set is 0.50mm oversized.
Features a high-performance overlay material for improved durability.
Multi-layer construction includes steel backing, copper-lead alloy, and babbit overlay.
Designed to maintain proper oil clearance for crankshaft longevity.

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About this part

Product Details

Built with a high-performance overlay material, this King Engine Bearings main bearing set is specifically sized at 0.50mm oversized for the Isuzu 4HK1 engine. These bearings are crucial for maintaining proper oil clearance between the crankshaft and the engine block, ensuring the crankshaft spins smoothly without excessive wear. When rebuilding an engine, getting the bearing clearances right is key to longevity and performance, and this set is designed to meet those needs for your 4HK1-TCN application.

King uses a multi-layer bearing construction that includes a steel backing for strength, a copper-lead alloy intermediate layer for heat dissipation, and a babbit overlay for excellent conformability and embeddability. This combination helps to absorb shock loads and maintain a consistent oil film, even under demanding conditions. The 0.50mm oversized dimension means these bearings are intended for use with a crankshaft that has been machined down by 0.50mm to account for wear or to achieve specific clearance targets during an engine overhaul.