B 821 - Sliding screen door roller, Arcadia style, 1-3/8 inch Steel BB roller, 2 per pkg.
This Arcadia style roller assembly is a newer version
that has come onto the market in the last several years. It is used by Arcadia as well as many other door manufacturers. It comes with a 1-3/8 inch steel ball bearing roller. It fits onto the B 569 corner insert. It is often used on the top as well as the bottom of the sliding screen door. See B 541, B 515, B 610, B 714, B 736 for similar spring tension rollers
- Heat treated
high tension steel spring
- 1/4 inch wide
- Concave (Grooved)
- Steel ball bearing roller will roll smoothly
- Wire Tension Spring
- Used by Arcadia and several other patio door mfgs.