1. Product Overview The 1726309-2RS1 spherical outer insert ball bearing is designed for medium-heavy transmission equipment, offering self-aligning property and double lip dust-proof sealing performance. It is widely used in agricultural machinery and heavy conveyors where dusty environment and alternating heavy load exist. 👉 Get a quote within 24 hours for your project 2. Technical Specifications Parameter Value Model 1726309-2RS1 Inner Diameter (ID) 45mm Outer Diameter (OD