The ACL Duraglide Main Bearing Set is a high-quality product designed for use in crankshafts. This particular set is in 020 oversize and has a product code of 7M2398-020.
The set includes both upper and lower half types, with OE part numbers 2821741 and 2823927 respectively. The specifications for each half type include minimum and maximum standard shaft sizes of 2.4978in / 63.444mm and 2.4988in / 63.47mm, and minimum and maximum standard tunnel sizes of 2.6906in / 68.341mm and 2.6916in / 68.367mm. The maximum wall at crown is 0.0955in / 2.426mm and the maximum overall length is 0.8071in / 20.5mm for the upper half, and 1.0091in / 25.63mm for the lower half. The minimum and maximum vertical oil clearances are 0.0007in / 0.019mm and 0.0038in / 0.097mm. The material used is F780 and the size is 0.50mm oversize.
ACL Duraglide bearings have been manufactured in Launceston, Tasmania, Australia for over 70 years. The brand is a major OEM supplier to the Australian and international automotive industry, as well as offering an extensive replacement product range for the global aftermarket. ACL engine bearings are known for their robust metallurgy, quality, precision, innovation, and performance. The company has a high degree of vertical integration and holds ISO9001:2015, ISO14001:2015, and ISO45001:2018 certifications for quality management, environmental management, and occupational health and safety.
Overall, the ACL Duraglide Main Bearing Set in 020 oversize is a reliable and high-performance product that meets the highest standards in the industry.