B 821 - Sliding screen door roller, Arcadia style, 1-3/8 inch Steel BB roller, 2 per pkg.

Description
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 roller
  • Concave (Grooved) roller
  • Steel ball bearing roller will roll smoothly
  • Wire Tension Spring
  • Used by Arcadia and several other patio door mfgs.
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