Adjustable roller fits Keller sliding doors.
1-1/4 inch steel ball bearing roller
Adjustable steel housing assembly
Used by Keller, and several glass door manufacturer
Housing dimensions: thickness, 3/4 inch; length, 1-1/2 inch; height,1-5/8 inch; overall thickness, 27/32 inch.
NOTE: For 1-1/2 inch wheel see 13027.
Sold each, priced each

Diameter: 1-1/4-inch
Housing Tab Style: Unique Housing
Housing Width: 3/4-inch
Material: Steel
Roller Diameter: 1-1/4-inch
Roller Edge Type: Concave
Roller Material: Steel
Roller Width: 5/16-inch
Type: Concave
Width: 3/4-inch

Related items:
13027 - 1-1/2 inch wheel

Helpful Article: How to Replace Rollers in an Aluminum Sliding Glass Door