- Made in the USA
- Guaranteed to fit
- No minimums
- Fast turnaround
Envelope
Back-Up Seal Gum Roll (urethane with bearings)
Fits:F.L. Smithe RA envelope machine (seal-flap gum)
- Original part #
- 10-1170 (16in) / 10-1170M (17.5in)
- Dealer price
- $110-240 est
$110 Up to 54% less than dealer
Made to order · ships in ~2–3 weeks
- The part the manufacturer stopped making — made new, made to fit.
- Up to 54% less than the dealer price.
- Guaranteed to fit, or your money back — tell us your machine and we confirm fitment first.
- Made in the USA · fast turnaround · no minimums.
- Reorder anytime — we keep your exact part on file, so you never hunt for it again.
Read our fitment guarantee — if the part doesn't fit your machine, return it for a full refund or a corrected part.
More Envelope parts we make
Feed Sucker (vacuum pickup finger urethane)
Fits: F.L. Smithe RA / WRW / SO envelope machine
$12
Carriage Tire (snap-on urethane tire)
Fits: F.L. Smithe RA envelope machine (carriage/aligner)
$28
Pull-Out Pad (urethane plain/raised/T-style)
Fits: F.L. Smithe RA envelope machine (feed/pull)
$18
0/45-degree Side-Seam Gummer (brass or urethane)
Fits: F.L. Smithe RA envelope machine (side-seam gum)
$55