The genuine INA-FAG H312 adapter sleeve is an essential component for securely mounting bearings with a tapered bore onto cylindrical shafts. Engineered for precision, this adapter sleeve features a 55mm bore diameter and an M65x2 thread, ensuring optimal fit and reliable performance. It is compatible with various bearing series, including 22212, 23212, 1212, 1312, 21312, and 22312, making it a versatile solution for industrial machinery and equipment. Manufactured by INA-FAG, a brand of the Schaeffler Group, this adapter sleeve meets high-quality standards for durability and long service life.