What does the 0.25mm undersize mean for these bearings?

The 0.25mm undersize indicates that these bearings are designed to fit onto a crankshaft that has been machined down by 0.25mm. This is a common practice during engine rebuilding to correct for wear on the crankshaft journals.

What type of material are these bearings made from?

These bearings utilize King's specialized tri-metal material. This construction is known for its strength and ability to conform to the crankshaft, helping to maintain oil pressure and reduce friction.

Are these bearings suitable for a brand new engine build?

These bearings are specifically intended for engine rebuilds where the crankshaft has been machined to a 0.25mm undersize. For a brand new engine build with a standard crankshaft, you would typically need a standard size bearing set.

Specifications

Brand: King Engine Bearings
Part #: CR4653SM0.25
UPC: 611500599118

King Engine Bearings Toyota 2AR-FE/ 2AR-FXE (Size 0.25) Connecting Rod Bearing Set

Name: King Engine Bearings Toyota 2AR-FE/ 2AR-FXE (Size 0.25) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-toyota-2ar-fe-2ar-fxe-size-0-25-connec-t14-432259
Price: 34.01 USD
Availability: BackOrder

$34.01

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King Engine Bearings Toyota 2AR-FE/2AR-FXE (Size 0.25) Connecting Rod Bearing Set. These bearings are 0.25mm undersize for a precise fit during engine rebuilds.

Key Features

Fits Toyota 2AR-FE and 2AR-FXE engines.
Connecting rod bearing set is 0.25mm undersize.
Features King's tri-metal material for durability and performance.
Designed to provide proper oil clearance for rebuilt engines.

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About this part

Product Details

These King Engine Bearings are built 0.25mm undersize, which is a common specification when rebuilding an engine to ensure a proper fit on the crankshaft journals. They are specifically made for Toyota 2AR-FE and 2AR-FXE engines, often found in various Camry, RAV4, and other models. When you're rebuilding the top end or dealing with worn connecting rod journals, having a well-made bearing set like this is crucial for proper oil clearance and engine longevity.

King uses a specialized tri-metal material for their bearings, which offers good strength and conformability to the crankshaft surface. This helps maintain consistent oil pressure and reduces friction, which is important for keeping your engine running smoothly and preventing premature wear. The 0.25mm undersize means these are intended for use on crankshafts that have been machined down to this specific size to correct for wear or to achieve a desired clearance.

If you're in the middle of an engine overhaul and have had your crankshaft ground to a 0.25mm undersize, this set will give you the precise fit you need. Always refer to your vehicle's service manual for the correct oil clearance specifications and installation procedures.