WATCH: Spherical Mounted Roller Bearings – Assembled i… July 6, 2018 by Lauren Ansley, PTI All SRE & SR2 Mounted Spherical Roller Bearing Units are interchangeable with competitive brands and are assembled at PTI Headquarters in Charlotte, NC – USA. They’re widely used in bulk material handling, mining, aggregate, food (grain handling conveyors), bucket elevators, and wood elevators. Watch Video for a step-by-step overview of how we assemble our SRE/SR2 Spherical Mounted Roller Bearings at PTI Headquarters in Charlotte, NC – USA. All units are designed to meet standard “E” and “2000” series dimensions and are interchangeable with competitive brands. View all SRE/SR2 Products. View all PTI products. *** About PTI: Upon opening in 1994, PTI has specialized in serving the growing niche market of Metric products. As demand has increased over the years, so has our product offering. Today, our customers enjoy a huge offering of both Metric and Inch-based products for the Industrial Power Transmission Industry. Want to learn more about PTI? Click here to view our company overview video. View our products, other case studies, videos and more at www.ptintl.com.