This Nylon Ball Bearing Patio Door Replacement Roller is 7/8 inch (22.2 millimeter) in diameter with a 3/16 inch (4.8 millimeter) center hole. The roller is center grooved and 1/4 inch (6.4 millimeter) wide.
Sold by: Each
Type: Diameter: 7/8" Inside Diameter: 3/16'' Width: 1/4''
Wheel: Nylon Ball Bearing
Description:
1/8'' race thickness.