ACL Race Main bearings Nissan MR16 / MR18 / MR20 (STD)

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: 
5M2905H
Bearing size: 
Std
Bearing half type: 
Upper & lower
Bearing material: 
F780
Technical data (mm)
Max overall length: 
17
Max shaft size: 
 51.979
Max tunnel size: 
56.02
Max vertical oil clearance: 
0.077
Max wall at crown: 
2.01
Min shaft size: 
51.959
Min tunnel size: 
56
Min vertical oil clearance: 
0.02
Technical data (in)
Max overall length: 
0.6693
Max shaft size: 
2.0464
Max tunnel size: 
2.2055
Max vertical oil clearance: 
0.003
Max wall at crown: 
0.0791
Min shaft size: 
2.0456
Min tunnel size: 
2.2047
Min vertical oil clearance: 
0.0008
Engine code
MR16DDT / MR18 / MR20DE
Application
Nissan MR16DDT 1618cc Inline4 DOHC 4v Turbo
Nissan MR18DE 1798cc Inline4 DOHC 4v
Nissan MR20DE 1997cc Inline4 DOHC 4v
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