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: 5M7298H
Bearing size: STD
Bearing half type: Upper & lower
Bearing material: F780
Technical data (mm)
Max overall length: 26.1
Max shaft size: 65.007
Max tunnel size: 69.887
Max vertical oil clearance: 0.046
Max wall at crown: 2.43
Min shaft size: 64.993
Min tunnel size: 69.873
Min vertical oil clearance: 0.006
Technical data (in)
Max overall length: 1.0276
Max shaft size: 2.5593
Max tunnel size: 2.7515
Max vertical oil clearance: 0.0018
Max wall at crown: 0.0957
Min shaft size: 2.5588
Min tunnel size: 2.7509
Min vertical oil clearance: 0.0002
Engine code
4.8L Gen III LR4 / 4.8L Gen IV LY2 / 5.3L Gen III / 5.7L Gen III LS1 / 5.7L Gen III LS6 / 6.0L Gen IV LFA / 6.0L Gen IV LS2 / 6.0L Gen III Vortec / 6.2L Gen IV L99 / 6.2L Gen IV LS3 / 6.2L Gen IV Vortec / 6.0L Gen IV L76 / 6.0L Gen IV L98
Application
Chevrolet 294ci (4.8L) LR4 Vortec V8 OHV 2v
Chevrolet 294ci (4.8L) LY2 Vortec V8 OHV 2v
Chevrolet 325ci (5.3L) Vortec V8 OHV 2v
Chevrolet 346ci (5.7L) LS1 V8 OHV 2v
Chevrolet 346ci (5.7L) LS6 V8 OHV 2v
Chevrolet 364ci (6.0L) LFA Vortec Hybrid V8 OHV 2v
Chevrolet 364ci (6.0L) LS2 V8 OHV 2v
Chevrolet 364ci (6.0L) Vortec V8 OHV 2v
Chevrolet 376ci (6.2L) L99 V8 OHV 2v
Chevrolet 376ci (6.2L) LS3 V8 OHV 2v
Chevrolet 376ci (6.2L) Vortec V8 OHV 2v
Holden 5.7L Gen III LS1 V8 OHV 2v
Holden 6.0L Gen IV L76 V8 OHV 2v
Holden 6.0L Gen IV L98 V8 OHV 2v
HSV 6.0L Gen IV LS2 V8 OHV 2v
HSV 6.2L Gen IV LS3 V8 OHV 2v
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Guides & Info
| Engine code | 4.8L Gen III LR4 |
| Engine code | 4.8L Gen IV LY2 |
| Engine code | 5.3L Gen III |
| Engine code | 5.7L Gen III LS1 |
| Engine code | 5.7L Gen III LS1 |
| Engine code | 5.7L Gen III LS6 |
| Engine code | 6.0L Gen III Vortec |
| Engine code | 6.0L Gen IV L76 |
| Engine code | 6.0L Gen IV L98 |
| Engine code | 6.0L Gen IV LFA |
| Engine code | 6.0L Gen IV LS2 |
| Engine code | 6.0L Gen IV LS2 |
| Engine code | 6.2L Gen IV L99 |
| Engine code | 6.2L Gen IV LS3 |
| Engine code | 6.2L Gen IV LS3 |
| Engine code | 6.2L Gen IV Vortec |
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