The Hub BB H or QD H BB Bores .375-1.500 from U S Tsubaki Holdings Inc is designed for versatility in power transmission applications. This hub accommodates bore sizes ranging from .375 to 1.500 inches, making it suitable for a variety of mechanical systems. Constructed from high-quality materials, it ensures durability and reliable performance in demanding environments. The hub's design allows for easy integration with different bushings, providing a secure fit for efficient operation. Meeting industry standards, this hub is an excellent choice for enhancing the efficiency and reliability of your machinery.