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ACL Duraglide .25 Oversize Rod Bearings | Multiple Nissan Fitments (6B2630-.25)

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ACL Bearings

ACL Duraglide .25 Oversize Rod Bearings | Multiple Nissan Fitments

PART# ACL 6B2630-.25
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Duraglide Connecting Rod Bearings (.25 Oversize) by ACL

ACL supplies an extensive range of automotive engine bearings for niche applications and the aftermarket worldwide. Although ACL manufactures several different materials to suit various applications, tri-metal copper lead DuraglideTM F780 is considered to be the premium material and is used extensively in many aftermarket applications.

The material provides the widest range of load carrying capacities with excellent durability, making it ideal for connecting rod and main bearings in passenger cars using gas and diesel, and high performance engines.

ACL DuraglideTM F780 bearings are a tough solution for a tough problem. Engine re-builders are confronted by an increasingly diverse range of engines with a wide range of OEM bearing types. While these OEM bearing types and materials may be well suited to engines finished to the exacting specifications of modern engine manufacturers, they are often ill suited to used engines reconditioned and rebuilt in a flexible workshop.

The ACL F780 tri-metal material system at the heart of DuraglideTM 780 bearings has been designed for and proven in a wide range of engine applications, both OE and aftermarket. The complimentary layers ensure that superior strength is available from the steel and sintered copperlead-tin lining, accompanied by the excellent anti-seizure properties of the lead-tin-copper overlay. For the engine rebuilder this means confidence – the confidence provided by a tough bearing capable of great performance whether fitted in a garage or precision workshop.

Features

  • F780 Tr-Metal Composition - Sintered copper lead, lead plated, steel backed. NOMINAL COMPOSITION: 74% Copper, 24% Lead, 2% Tin
  • Strength - Ability to assume prolonged, high fatigue loads. Babbitt overlay (<20HV) is supported by a strong copper lead alloy (>50HV) in turn supported by the steel backing. Strength is high as long as the overlay is thin (<.0008″).
  • Anti-Seizure Conformability - Ability to adapt to assembly and misalignment errors. Very soft Babbitt overlay readily adapts. Copper lead alloy has moderate conformability and helps to adapt where shape errors are significant.
  • Compatibility - Ability to accommodate shaft to bearing contact through thin oil films. Crankshaft journal finish is the dominant factor. Contact with the surface results in adaptation through wear of the Babbitt layer with no damage to the shaft.
  • Emergency Running - Ability to continue operation during temporary oil film breakdown. The lead in the Babbitt and copperlead alloy has natural lubricity and can function as a dry lubricant. The low melting point on the alloy also allows it to provide a temporary liquid lubricant.
  • Anti-Wear - Resistance to abrasion by shaft and dirt. Babbitt alloys are prone to wear (see above), however the alloy composition is carefully controlled to optimise the strengthening effects of copper and minimising the wear potential.
  • Embeddability - The soft Babbitt readily absorbs all kinds of dirt particles up to .0006″ without damage. Larger particles are adequately accommodated by the underlying layers.
  • Anti-Corrosion - Tin content in both the lining and overlay alloys provides protection from chemical attack.
  • Applications - DuraglideTM bearings provide a high combination of high strength and the ability to withstand harsh and demanding operating conditions. This makes them ideal for performance engines and rebuilds.

Applications

  • Nissan RB20DE/T
  • Nissan VQ30DE/T

Specifications

  • Layer 1 (Overlay): Lead-Tin-Copper | .0005" to .0007" Thick
  • Layer 2 (Barrier): Nickel | .00004" Thick
  • Layer 3 (Lining): Copper-Lead-Tin | .012" Thick
  • Layer 4 (Steel): SAE1010 (High Tensile) | Remaining Thickness

What's In The Box?

  • 1 - Duraglide Rod Bearing Set (.25 Oversize)

Warranty

  • Manufacturer Standard Warranty

Duraglide Connecting Rod Bearings (.25 Oversize) by ACL

ACL supplies an extensive range of automotive engine bearings for niche applications and the aftermarket worldwide. Although ACL manufactures several different materials to suit various applications, tri-metal copper lead DuraglideTM F780 is considered to be the premium material and is used extensively in many aftermarket applications.

The material provides the widest range of load carrying capacities with excellent durability, making it ideal for connecting rod and main bearings in passenger cars using gas and diesel, and high performance engines.

ACL DuraglideTM F780 bearings are a tough solution for a tough problem. Engine re-builders are confronted by an increasingly diverse range of engines with a wide range of OEM bearing types. While these OEM bearing types and materials may be well suited to engines finished to the exacting specifications of modern engine manufacturers, they are often ill suited to used engines reconditioned and rebuilt in a flexible workshop.

The ACL F780 tri-metal material system at the heart of DuraglideTM 780 bearings has been designed for and proven in a wide range of engine applications, both OE and aftermarket. The complimentary layers ensure that superior strength is available from the steel and sintered copperlead-tin lining, accompanied by the excellent anti-seizure properties of the lead-tin-copper overlay. For the engine rebuilder this means confidence – the confidence provided by a tough bearing capable of great performance whether fitted in a garage or precision workshop.

Features

  • F780 Tr-Metal Composition - Sintered copper lead, lead plated, steel backed. NOMINAL COMPOSITION: 74% Copper, 24% Lead, 2% Tin
  • Strength - Ability to assume prolonged, high fatigue loads. Babbitt overlay (<20HV) is supported by a strong copper lead alloy (>50HV) in turn supported by the steel backing. Strength is high as long as the overlay is thin (<.0008″).
  • Anti-Seizure Conformability - Ability to adapt to assembly and misalignment errors. Very soft Babbitt overlay readily adapts. Copper lead alloy has moderate conformability and helps to adapt where shape errors are significant.
  • Compatibility - Ability to accommodate shaft to bearing contact through thin oil films. Crankshaft journal finish is the dominant factor. Contact with the surface results in adaptation through wear of the Babbitt layer with no damage to the shaft.
  • Emergency Running - Ability to continue operation during temporary oil film breakdown. The lead in the Babbitt and copperlead alloy has natural lubricity and can function as a dry lubricant. The low melting point on the alloy also allows it to provide a temporary liquid lubricant.
  • Anti-Wear - Resistance to abrasion by shaft and dirt. Babbitt alloys are prone to wear (see above), however the alloy composition is carefully controlled to optimise the strengthening effects of copper and minimising the wear potential.
  • Embeddability - The soft Babbitt readily absorbs all kinds of dirt particles up to .0006″ without damage. Larger particles are adequately accommodated by the underlying layers.
  • Anti-Corrosion - Tin content in both the lining and overlay alloys provides protection from chemical attack.
  • Applications - DuraglideTM bearings provide a high combination of high strength and the ability to withstand harsh and demanding operating conditions. This makes them ideal for performance engines and rebuilds.

Applications

  • Nissan RB20DE/T
  • Nissan VQ30DE/T

Specifications

  • Layer 1 (Overlay): Lead-Tin-Copper | .0005" to .0007" Thick
  • Layer 2 (Barrier): Nickel | .00004" Thick
  • Layer 3 (Lining): Copper-Lead-Tin | .012" Thick
  • Layer 4 (Steel): SAE1010 (High Tensile) | Remaining Thickness

What's In The Box?

  • 1 - Duraglide Rod Bearing Set (.25 Oversize)

Warranty

  • Manufacturer Standard Warranty

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MAP Limited Lifetime Warranty

1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

For warranty evaluation please create a support ticket via this form Click Here For Customer Service.