This Square Bore Disc Bearing is designed for high-performance applications in agricultural and industrial machinery. Constructed from premium materials, it offers excellent durability and resistance to wear. The square bore design allows for easy installation and compatibility with various equipment. This bearing meets industry standards for quality and performance, ensuring reliable operation in demanding conditions. Ideal for maintenance and replacement, it is a must-have for any machinery toolkit.The disc bearing with square bore and plain design, model 990155 by A & I PRODUCTS, is engineered for rotational applications requiring secure shaft mounting. Constructed from hardened steel, it features a square bore for positive shaft engagement without slippage. The plain bearing design supports radial loads and moderate speeds, suitable for agricultural machinery such as disc mowers or tillers. The bearing complies with standard dimensions for interchangeability and durability. The 990155 model is used in assemblies requiring reliable rotational support with straightforward installation.