What does the '+0.25mm' sizing mean for these bearings?

The '+0.25mm' indicates that these bearings are 0.25 millimeters larger in diameter than standard size. This sizing is typically used when the crankshaft journals have been machined down (ground undersize) to remove imperfections or to achieve a specific clearance. You must match the bearing size to the crankshaft journal size for proper engine function.

What is the overlay material on these bearings?

The overlay material is a specialized layer applied to the bearing surface. It's designed to be conformable and embeddable, meaning it can slightly deform to match the crankshaft surface and absorb small debris particles, helping to prevent damage to both the bearing and the crankshaft.

Do these bearings come with installation instructions?

While these bearings are designed as a direct replacement, it is always recommended to refer to the vehicle manufacturer's service manual or King Engine Bearings' official installation guidelines for proper torque specifications and procedures.

Specifications

Brand: King Engine Bearings
Part #: CR4610SV0.25
UPC: 611500607974

King Engine Bearings Audi/Seat Aeb/Apu/Anb/App (Size +0.25mm) Connecting Rod Bearing Set

Name: King Engine Bearings Audi/Seat Aeb/Apu/Anb/App (Size +0.25mm) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-audi-seat-aeb-apu-anb-app-size-0-25mm--t14-769910
Price: 91.29 USD
Availability: BackOrder

$91.29

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King Engine Bearings connecting rod bearing set for Audi/Seat AEB/APU/ANB/APP engines. 0.25mm undersize for rebuilding.

Key Features

Set of connecting rod bearings for Audi/Seat AEB, APU, ANB, and APP engines.
Bearings are 0.25mm undersize, intended for use with machined crankshaft journals.
Features a specialized overlay material for good embeddability and crankshaft protection.
Designed to maintain consistent oil film thickness for reduced friction and wear.
Well-built replacement part for engine rebuilding and repair.

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About this part

Product Details

If you're rebuilding the bottom end of your Audi or Seat engine, specifically models with AEB, APU, ANB, or APP engines, a quality set of connecting rod bearings is crucial. These King Engine Bearings are designed to handle the loads and stresses within the engine, ensuring proper lubrication and smooth operation between the connecting rod and crankshaft. They are a well-built replacement part for when your original bearings have worn out or if you're performing a performance build.

This set is specifically sized at 0.25mm undersize, which is important for engine builders who are machining the crankshaft journals to match. King Engine Bearings uses a specialized overlay material that offers good embeddability and conformability, helping to protect the crankshaft surface. The design aims to maintain consistent oil film thickness, which is vital for reducing friction and wear under various operating conditions.

When installing these bearings, it's important to follow the manufacturer's recommended torque specifications and ensure the crankshaft journals are clean and within the specified tolerance. Using the correct installation procedures will help ensure the longevity and performance of your engine rebuild.