This high-quality steel shaft sleeve is designed for use with bearings 6017, 6217, and 6317, featuring a precise bore diameter of 85 mm and an outer diameter of approximately 136 mm for optimal fit and performance. The sleeve measures 40 mm, 50 mm, or 60 mm in length, providing flexibility for various industrial applications. Constructed from durable steel, it ensures reliable support and alignment for rotating shafts. Ideal for heavy-duty environments, this sleeve enhances bearing life and system efficiency, offering excellent dimensional accuracy and robust construction for seamless integration into electric motors, machinery, and automation equipment.