Pillow Blocks Pillow blocks are bearing housings that support rotating shafts by holding and aligning a replaceable bearing insert. They provide stable load support, protect bearings from contaminants, and simplify installation and maintenance across a range of machines. Key benefits Reliable shaft support and alignment to reduce vibration and wear Easy maintenance with replaceable bearing inserts and accessible lubrication points Versatile mounting options and compatibility with standard shaft sizes and inserts Durable construction available in common materials to suit load, environment, and corrosion resistance Long service life through robust design and straightforward maintenance Important attributes Function: bearing housing that accepts a replaceable insert to support and orient a rotating shaft Compatibility: designed to work with standard bearing inserts and common bore sizes; verify bore, mounting pattern, and base type Size: available in multiple bore sizes to match shaft diameter and load requirements Material: options typically include cast iron, steel, and aluminum for strength, durability, and weight considerations Performance: supports precise alignment, maintains load distribution, and tolerates typical industrial operating conditions Use scenarios Conveyor systems: provide drive shaft support and alignment to ensure smooth belt operation Packaging and automation lines: stabilize rotating components in conveyors, printers, or robotic subsystems for consistent performance Agricultural and industrial machinery: support shafts in fans, gear drives, or tanning/treatment lines where harsh environments are present Selection and installation tips Choose bore size to match the shaft diameter and verify mounting hole pattern matches the equipment Select material based on environment, exposure to moisture or chemicals, and temperature range Ensure proper lubrication and inspect seals to prevent contamination bearing inserts as needed to maintain performance and reduce downtime Maintenance guidance Periodically check alignment and retorque mounting screws if applicable Inspect seals and lubrication paths for wear or blockage Plan for regular bearing insert replacement to extend overall service life