Replacement for Williamsburg & TylerDoor Hanger Rollers
Medium Poly
Special low-frictionDurabond™ polyurethane goes into our smooth- and quiet-running tires.Durabond is as tough as any material now in use for door rollertires,and it features superior qualities that resist breaking, cracking,and wear.
Tires are machined after the bearings are installed.This ensures concentricity and promotes long life.
Precision-machined aluminum castings are used for the hubs.
• Machined Hubs:Material: Cast aluminum Dimensions: 3 5/16""O.D. x 3/4""
• Tire:Durabond ™ LF x70 polyurethane, low-friction
• Bearing: Speciallow-friction type