This is a plain back tandem roller assembly with two 1-1/8 in. concave steel ball bearing rollers. The stamped steel housing is adjustable and used by Milgard as well as a variety of other manufacturers. Primarily used on vinyl patio doors. The housing is 3/4 in. wide and 1 in. tall with a 1/4-20 threaded mounting hole on the back end and an optional use #10-32 threaded hole on the top.
Used by Milgard and a variety of other patio sliding door manufacturers
Adjustable tandem roller assembly
Typically used on vinyl patio doors
Stamped steel housing with concave steel ball bearing rollers
1 -1/8 inch steel ball bearing rollers
1/4-20 mounting hole in the back and optional #10-32 threaded hole on top
A Phillips head screwdriver is required for installation
For further dimensional information, please see the line drawing