ACL Race Main Bearings Toyota 1RZ / 2RZ / 3RZ (.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: 
5M8378H
Bearing size: 
.25
Bearing half type: 
Upper & lower
Bearing material:  
F780
Technical data (mm)
Max overall length: 
23.15
Max shaft size: 
60
Max tunnel size: 
64.024
Max vertical oil clearance: 
0.084
Max wall at crown: 
1.99
Min shaft size: 
59.987
Min tunnel size: 
64
Min vertical oil clearance: 
0.068
Technical data (in)
Max overall length: 
0.9114
Max shaft size: 
2.3622
Max tunnel size: 
2.5206
Max vertical oil clearance: 
0.0033
Max wall at crown: 
0.0783
Min shaft size: 
2.3617
Min tunnel size: 
2.5197
Min vertical oil clearance: 
0.00267716
Engine code
1RZ / 1RZ-E / 2RZ / 2RZ-E / 2RZ-FE / 3RZ-FE
Application
Toyota 1RZ 1998cc Inline4 SOHC 2v
Toyota 1RZ-E 1998cc Inline4 SOHC 2v
Toyota 2RZ 2438cc Inline4 SOHC 2v
Toyota 2RZ-E 2438cc Inline4 SOHC 2v
Toyota 2RZ-FE 2438cc Inline4 DOHC 4v
Toyota 3RZ-FE 2693cc Inline4 DOHC 4v
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