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Steel sprocket with black oxide finish, 11 teeth, 1 1/4 inch bore, keyway and set screws

Tritan

Tritan 80BS11H 1 1/4 in Bore Sprocket 80 Chain Size

SKU CH-D1ZC-HD9S2

Steel sprocket with 11 teeth for 80 chain, 1 1/4 in bore, keyway and set screws included

  • Product typeBearings, V-belts & Power Transmission Equipment
  • Product colorTransparent
  • Precision-machined 11-tooth profile ensures smooth chain engagement
  • 1 1/4 in fixed bore with 1/4 in keyway provides secure shaft mounting
  • Black oxide finish resists corrosion for extended service life
  • Two set screws included for reliable axial locking
  • 01 in outside diameter fits standard 80 chain drives

Tritan 80BS11H Sprocket for 80 Chain

The Tritan 80BS11H is a finished-bore steel sprocket built for single-strand 80 chain. It features an 11-tooth profile with a 4.01 in outside diameter and a 3.55 in pitch diameter. The hub measures 2 13/16 in diameter with a 1.05 in projection and a 1 5/8 in length through bore. A 1/4 in keyway and two set screws lock the 1 1/4 in bore securely.

Suits single-strand 80 chain drives on 1 1/4

This sprocket fits power-transmission systems using ANSI 80 roller chain on a fixed 1 1/4 in shaft. The black-oxide finish and included set screws simplify installation on keyed shafts. Builders needing a different tooth count, a larger maximum bore, a multi-strand hub, or a taper-lock bushing style should look elsewhere.

11 teeth on 80 chain pitch

The 11-tooth count on 1 in pitch chain fixes the pitch diameter at 3.55 in and the outside diameter at 4.01 in. This tooth count determines the speed ratio and chain wrap for the drive. If the application requires a different ratio or chain engagement, a sprocket with another tooth count is necessary.

How it compares

Measured against everything we stock in Fan Collectibles & Memorabilia, at today’s prices. Recalculated every night.

Price $33.99
Pricier than about 61% of the 1,367 comparable items (median $26.99).

Specifications

Product
Brand nameTRITAN
Product typeBearings, V-belts & Power Transmission Equipment
Product colorTransparent

Questions about this item

Does the sprocket arrive with set screws included, or must I purchase them separately?

Two set screws are included in the box, so no separate purchase is needed for installation.

How do I decide between the 11-tooth version and other tooth counts for 80 chain?

The 11-tooth model gives a 3.55 in pitch diameter and 4.01 in outside diameter; choose a different tooth count only if your speed ratio or clearance requirements demand it.

What do the 3.55 in pitch diameter and 4.01 in outside diameter mean once the sprocket is mounted on a 1 1/4 in shaft?

They define the chain wrap circle and the overall envelope, so verify that your guard spacing and centre distance match those dimensions before fitting.

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