Key specifications Bearing No.: UCF209 (UC209, F209) Bore diameter: 45 mm Chrome steel insert bearing: long life, smooth and quiet Four bolt pillow block bearing: cast iron case, rust proof and durable Selfaligning bearing: can correct its own alignment once it starts to rotate Why this bearing matters Reliable alignment reduces shaft, belt and gear wear, extending service life Durable cast iron housing and chrome steel insert provide long lasting performance in demanding environments Low noise operation supports a quieter work area and easier monitoring of equipment Self aligning capability minimizes downtime and maintenance when minor misalignment occurs Key attributes at a glance Function: pillow block bearing with a 45 mm bore for secure mounting on standard shafts Compatibility: suitable for 45 mm shaft systems in industrial equipment Size and fit: four bolt mounting for stable, precise positioning Material: cast iron housing for durability; chrome steel insert bearing for smooth operation Performance: long life, low noise, and self alignment to compensate initial misalignment Benefits in practice Reduces maintenance frequency by tolerating minor shaft misalignment Improves uptime with durable construction and smooth running Maintains consistent performance in environments with vibration or shifting loads Easy installation thanks to standard four bolt pillow block design Use scenarios Conveyor systems in manufacturing or packaging lines using 45 mm shafts Material handling equipment requiring quiet, reliable operation with stable mounting Agricultural or processing machinery where shaft alignment can vary and self alignment helps maintain performance