This Sliding Window Roller Assembly has a 5/8 by 3/16 inch (15.9 by 4.8 millimeter) flat edge steel roller with a 1/2 inch (12.7 millimeter) wide nylon housing. This replacement window roller is used by several window manufacturers.
Sold By: Each
Housing Length: 1-3/8"
Housing Material: Nylon
Housing Width: 1/2"
Roller Material: Steel
Roller Outside Dimension: 5/8"
Roller Profile: Concave
Mounting Holes: 1"