ACL Race Conrod bearings BMW N54 / N55 / S55 (.25)

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: 
6B1584H
Bearing size: 
.25
Bearing half type: 
Upper & lower
Bearing material:  
F781
Technical data (mm)
Max overall length: 
17.55
Max shaft size: 
 49.993
Max tunnel size: 
53.616
Max vertical oil clearance: 
0.103
Max wall at crown: 
1.793
Min shaft size: 
49.973
Min tunnel size: 
53.6
Min vertical oil clearance: 
0.055
Technical data (in)
Max overall length: 
0.6909
Max shaft size: 
1.9682
Max tunnel size: 
2.1109
Max vertical oil clearance: 
0.0041
Max wall at crown: 
0.0706
Min shaft size: 
1.9674
Min tunnel size: 
2.1102
Min vertical oil clearance: 
0.0022
Engine code
N54B30 / N55B30 / S55B30
Application
BMW N54B30 2979cc Inline6 DOHC 4v Twin Turbo
BMW N55B30 2979cc Inline6 DOHC 4v Turbo
BMW S55B30 2979cc Inline6 DOHC 4v Twin Turbo
----------------
Tarne 7-9 päeva