The SealMaster 2-13B Ball Bearing Insert ER-18T is a high-quality industrial bearing designed for mechanical power transmission and industrial automation applications. This insert bearing, part of the ER-18T model, allows for easy installation and maintenance, making it a convenient and reliable choice for various industrial uses. With the SealMaster brand known for its durability and performance, this ball bearing insert is a single unit that provides smooth and efficient operation for your machinery or equipment.