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: 5M5563HX Bearing size: STD Bearing half type: Upper & lower Bearing material: F780 Technical data (mm) Max overall length: 15.5 Max shaft size: 57.978 Max tunnel size: 63.019 Max vertical oil clearance: 0.066 Max wall at crown: 2.491 Min shaft size: 57.958 Min tunnel size: 63 Min vertical oil clearance: 0.044 Technical data (in) Max overall length: 0.6102 Max shaft size: 2.2826 Max tunnel size: 2.4811 Max vertical oil clearance: 0.0026 Max wall at crown: 0.0981 Min shaft size: 2.2818 Min tunnel size: 2.4803 Min vertical oil clearance: 0.0017 Engine code BYT / BZB / CABA / CABB / CADA / CAEA / CAEB / CAED / CAWB / CBFA / CCTA / CCZA / CCZC / CDNB / C