HVAC Cartridge Bearing 3/4" ID CSB204-12 w/Static Conductive Rubber Boot Replacement Part Brand New, Dimensions: 3/4" (19.05mm) Round Inner Diameter, Rubber Boot Cylindrical OD 64.30mm, OD Width 1"/25.40mm, Total Width 30.70mm. Bearing CSB204-12 with Set Screw Locking, Filled with Chevron high temp grease. Rubber Boot/Cover Electric Conductive. ⚡100% Quality Assurance: Well-designed, well-crafted. This is the manufacturer's replacement and is functionally equivalent to the previous part ⚡Made of durable high quality materials. Compact and sturdy, built to last. Please confirm that the model you need to buy matches our mod ⚡After-sale guarantee: what we have been pursuing is customer satisfaction. If you are not satisfied with the product, please contact us! We will show you our sincere attitude and satisfactory solution.