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: 4B8411H Bearing size: .025 Bearing half type: Identical halves Bearing material: F781 Technical data (mm) Max overall length: 15.6 Max shaft size: 48 Max tunnel size: 51.02 Max vertical oil clearance: 0.066 Max wall at crown: 1.49 Min shaft size: 47.99 Min tunnel size: 51 Min vertical oil clearance: 0.02 Technical data (in) Max overall length: 0.614172006 Max shaft size: 1.889760017 Max tunnel size: 2.008657418 Max vertical oil clearance: 0.00259842 Max wall at crown: 0.058661301 Min shaft size: 1.889366317 Min tunnel size: 2.007870018 Min vertical oil clearance: 0.0007874 Engine code 1AZ-FE / 2AZ-FE / 2AZ-FXE Application Toyota 1AZ-FE 1998cc Inline