What does the +0.25mm sizing mean for this bearing set?

The +0.25mm sizing indicates that these bearings are intended for a crankshaft that has been machined down by 0.25mm. This is typically done during an engine rebuild to correct wear or imperfections on the crankshaft journals, ensuring proper fit and oil clearance.

What is the construction of these main bearings?

These main bearings are constructed with a bimetal design, featuring an aluminum base. This type of construction is known for its good wear characteristics and ability to manage heat effectively within the engine.

Are these bearings a direct replacement for all 22R engines?

These bearings are a direct replacement for the 22R engine in the specified Toyota models, but they are sized at +0.25mm. You must verify that your crankshaft journals have been machined to this specific undersize before installation.

1984-1995 Toyota Pickup Main Bearing Set | King Engine Beari

Name: King Engine Bearings Toyota 22R (Size +0.25mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-toyota-22r-size-0-25mm-main-bearing-se-t14-770471
Price: 30.62 USD
Availability: BackOrder

King Engine Bearings Toyota 22R (Size +0.25mm) Main Bearing Set

$30.62

On Backorder

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

Fits 1984-1995 Toyota Pickup. King Engine Bearings Main Bearing Set (+0.25mm) for the 22R engine.

Key Features

Fits 1984-1995 Toyota Pickup, 1985-1995 Toyota 4Runner, and 1983-1985 Toyota Celica.
Designed for the Toyota 22R engine.
Main bearing set with a +0.25mm undersize.
Features a bimetal construction with an aluminum base.

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Product Details

This is a King Engine Bearings Main Bearing Set, specifically sized at +0.25mm for the Toyota 22R engine. It's designed to fit 1984-1995 Toyota Pickup trucks, as well as 1985-1995 4Runners and 1983-1985 Celicas. These bearings are crucial for the proper function of your engine's crankshaft, ensuring it spins smoothly within the engine block.

Constructed with a bimetal design, these bearings feature an aluminum base. This construction helps manage heat and wear effectively, which is important for maintaining consistent oil clearance and reducing friction. The +0.25mm sizing indicates these are intended for an engine that has been previously machined to this specific undersize, often done during a rebuild to correct wear or out-of-round conditions on the crankshaft journals.

When rebuilding or repairing your 22R engine, using the correct size bearings is essential for optimal performance and longevity. Always confirm your crankshaft journal measurements before ordering to ensure you select the appropriate bearing size, whether it's standard or an undersize like this +0.25mm set.