Experience the reliable performance of the Sealmaster ER-204TMC Ball Insert Bearing, designed for precision and durability. This bearing features a cylindrical bore with a 20mm inner diameter, ensuring a seamless fit for your mechanical applications. The brand Sealmaster is synonymous with quality, providing you with a product that's built to last. The ER-204TMC model is engineered to offer you a superior bearing solution for your industrial needs. It fits into a range of setups where a compact, robust bearing is required. With its straightforward installation and consistent operation, this ball bearing is an essential component for any machinery requiring smooth functionality.