Introducing the Timken 387B-90120 Double Taper Roller Bearing Cone & Cup – your ideal choice for ensuring precision and efficiency in industrial and mechanical applications. With an inner diameter of 2-1/4 inches and an outer diameter of 3-15/16 inches, this tapered roller bearing is engineered to deliver outstanding performance and durability. Renowned for its quality, Timken signifies reliability in the manufacturing industry. The model number 387-B / 384-ED and manufacturer part number 387B-90120 reflect its superior design and functionality, making it a vital addition to your selection of Ball & Roller Bearings. Proudly crafted in the United States, this bearing embodies exceptional craftsmanship. Our product is new – open box, providing you the efficiency of a brand new unit at a remarkable value. We ensure that your search for the right parts is hassle-free; offering same-day shipping on all items, with next-day shipping available at checkout. Plus, you can benefit from combined shipping on all orders, allowing you to save on costs. If you require additional parts, please feel free to reach out. We specialize in sourcing all bearings and industrial supplies at competitive prices. With our international shipping options, we are committed to delivering your order, no matter where you are located!