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ACL Race ConConrod bearings BMW S14/7 (.025)



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Article no.: ACL-4B1489H-.025

ACL bearings are used for tuning and engine upgrades where you want better quality with higher bearing capacity than normal standard bearings.

Improvements of material, dynamic thickness, heat conduction, oil grooves and oil distribution are some of the points that make ACL one of the leading bearing manufacturers.

Bearing data

Part number: 4B1489H
Bearing size: .025
Bearing half type: Identical halves
Bearing material: F781

Technical data (mm)

Max overall length: 16
Max shaft size: 44.991
Max tunnel size: 48.016
Max vertical oil clearance: 0.071
Max wall at crown: 1.493
Min shaft size: 44.975
Min tunnel size: 48
Min vertical oil clearance: 0.023

Technical data (in)

Max overall length: 0.6299
Max shaft size: 1.7713
Max tunnel size: 1.8904
Max vertical oil clearance: 0.0028
Max wall at crown: 0.0588
Min shaft size: 1.7707
Min tunnel size: 1.8898
Min vertical oil clearance: 0.0009

Engine code



BMW S14/7 1990cc Inline4 DOHC 4v

Guides & Info

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