This is one of the most prevalent applications for pillow block bearings, found throughout material handling in warehouses, factories, and processing plants. They are the standard for supporting the multitude of idler rollers in belt, chain, and roller conveyor systems. Their modular design allows for fast, simplified installation and precise alignment across long frames, which is crucial for smooth conveyor operation and reduced belt wear. Typically, deep groove ball bearing inserts housed in two-bolt or four-bolt blocks are used for their versatility and ability to handle both radial and some axial loads. The bearings' seals guard against airborne dust and debris common in industrial environments. The ease of replacement—simply unbolting the housing cap—minimizes system downtime for maintenance, making them an economical and efficient choice for keeping high-volume production and logistics lines running continuously.