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: 5M2152H Bearing size: 1 Bearing half type: Identical halves Bearing material: F780 Technical data (mm) Max overall length: 25.52 Max shaft size: 54 Max tunnel size: 57.696 Max vertical oil clearance: 0.062 Max wall at crown: 1.831 Min shaft size: 53.988 Min tunnel size: 57.683 Min vertical oil clearance: 0.021 Technical data (in) Max overall length: 1.004722409 Max shaft size: 2.12598002 Max tunnel size: 2.271491541 Max vertical oil clearance: 0.00244094 Max wall at crown: 0.072086471 Min shaft size: 2.12550758 Min tunnel size: 2.270979731 Min vertical oil clearance: 0.00082677 Engine code 1098cc Kent / 1297cc Kent / 1298cc Kent X Flow / 1499cc Kent