This is a plain back patio door roller assembly with a 1-1/4 inch concave or grooved steel ball bearing roller. It has a plain back housing that is 9/16 inch wide with a 13/16 inch flare and 1-3/16 inch tall. It is rear adjusting with a threaded mounting hole on the back end. It is used by Nu-Air, Bennings, Scotty and a variety of other sliding patio door manufacturers.
COMPATABILITY - Designed as a reliable replacement for Nu-Air, Bennings, Scotty, and a wide range of other sliding patio door manufacturers, ensuring seamless integration and performance
DURABILITY - Features a robust plain back housing with 13/16 inch flared dimples, equipped with a 1-1/4 inch diameter concave steel roller for smooth and quiet operation, even under heavy use
QUALITY - Built with a durable stamped steel housing and a precision ball bearing roller for long-lasting performance and enhanced stability
ADJUSTABILITY - Incorporates a convenient rear screw adjustment mechanism, allowing quick and precise ride height customization for optimal door alignment and smooth operation with a maximum ride height of 1-5/16 and a minimum ride height of 1-3/16 inch
NOTE - Please refer to the line art drawing for dimensions and compare with your needs before purchasing (Not Universal)