Prime-Line 1-1/4 in. Steel Ball Bearing Sliding Door Roller Assembly, Nu-Air

This is a plain back patio door roller assembly with a 1-1/4 inch concave steel ball bearing roller. It has a plain back housing that is 3/4 inch wide with a 7/8 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 and a variety of other sliding patio door manufacturers.

• Steel rollers for long lasting durable use
• Ball bearing roller for a smooth sliding action
• Grooved edges allow easy gliding over a raised edge