Tapered roller bearings require proper lubrication to ensure optimal performance and longevity. The relubrication period for a 1.5-ton three-wheeler's front wheel is not specifically detailed in the discussion. General guidelines suggest regular checks and maintenance based on usage conditions. Understanding the design and lubrication needs of tapered roller bearings is crucial for effective application. Proper lubrication practices are essential for preventing wear and enhancing the bearing's lifespan.