![Prime-Line B 522 Center Grooved Roller Assembly, 1 in Dia Roller, 1/4 in W Roller, Steel Roller, Concave Roller, Steel [SKU: ORG9835885]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/32772/31609/9835885__31663.1683068032.jpg?c=1 "Prime-Line B 522 Center Grooved Roller Assembly, 1 in Dia Roller, 1/4 in W Roller, Steel Roller, Concave Roller, Steel [SKU: ORG9835885]")
![Prime-Line B 522 Center Grooved Roller Assembly, 1 in Dia Roller, 1/4 in W Roller, Steel Roller, Concave Roller, Steel [SKU: ORG9835885]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/32772/31609/9835885__31663.1683068032.jpg?c=1 "Prime-Line B 522 Center Grooved Roller Assembly, 1 in Dia Roller, 1/4 in W Roller, Steel Roller, Concave Roller, Steel [SKU: ORG9835885]")
Product Overview
This center grooved sliding screen door tension roller is used by many patio door manufacturers. Used on the bottom as well as the top of the sliding screen door. The roller is a 1 in steel ball bearing roller. The tension spring 2-1/2 in L and is a heat-treated high tension steel spring. [QTY/UOM: 1CD / 1CD] [PMS SKU: ] [Category: STORM/SCREEN DOOR HARDWARE/DOOR ROLLERS;Shop All]
![Prime-Line B 634 Center Grooved Roller Assembly, 1 in Dia Roller, 1/4 in W Roller, Polyethylene Roller, Concave Roller [SKU: ORG7808181]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/32790/31624/7808181__11351.1683068041.jpg?c=1 "Prime-Line B 634 Center Grooved Roller Assembly, 1 in Dia Roller, 1/4 in W Roller, Polyethylene Roller, Concave Roller [SKU: ORG7808181]")
![Prime-Line B 617 Adjustable Roller Assembly, 1 in Dia Roller, 1/4 in W Roller, Steel Roller, Concave Roller, 3/8 in W [SKU: ORG1633254]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/32787/31622/1633254__11110.1683068040.jpg?c=1 "Prime-Line B 617 Adjustable Roller Assembly, 1 in Dia Roller, 1/4 in W Roller, Steel Roller, Concave Roller, 3/8 in W [SKU: ORG1633254]")
![Prime-Line B 646 Adjustable Roller Assembly, 1 in Dia Roller, 1/4 in W Roller, Steel Roller, Concave Roller, 1-3/8 in W [SKU: ORG7498017]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/32795/31629/7498017__30835.1683068044.jpg?c=1 "Prime-Line B 646 Adjustable Roller Assembly, 1 in Dia Roller, 1/4 in W Roller, Steel Roller, Concave Roller, 1-3/8 in W [SKU: ORG7498017]")