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Steel sprocket, 22 teeth, 1 1/4 inch bore, black oxide finish

Tritan

Tritan 40BS22H 22-Tooth Sprocket 1 1/4in Bore Chain 40 Collectible

SKU CH-R7G1-KQ18S

A steel 22-tooth sprocket with a 1 1/4in bore, keyway, and set screws for 40 chain

  • TypeBearings, V-belts & Power Transmission Equipment
  • ColorTransparent
  • Precision 22-tooth engagement for smooth chain drive
  • 1 1/4in bore with 1/4in keyway fits standard shafts
  • Black-oxide steel resists corrosion in harsh conditions
  • Includes two set screws for secure hub locking
  • 78in outside diameter matches 40-series chain specs

22-Tooth Sprocket for Chain 40

This Tritan sprocket is a finished-bore power-transmission component built for single-strand Chain 40 systems. It suits maintenance teams and machinery builders who need a direct replacement with a 1 1/4 in bore and integrated keyway. The black-oxide steel body and included set screws allow immediate installation on a matching shaft. Collectors of industrial hardware may also value the specific 22-tooth configuration.

Chain Pitch and Bore Constraints

The sprocket is cut for a 1/2 in chain pitch and a fixed 1 1/4 in maximum bore, so it only fits shafts of that exact diameter. Hub projection measures .716 in and hub diameter is 2 7/8 in, limiting the available space inside guards or adjacent components. Two set screws and a 1/4 in wide by 1/8 in deep keyway provide the sole locking method; no taper-lock or clamp options exist on this model.

Capacity and Headroom

With a 3.78 in outside diameter and 3.513 in pitch diameter, the 22-tooth design delivers a fixed speed ratio for Chain 40 drives. It handles standard single-strand loads within the chain’s rated working range but offers no extra teeth for reduced polygon effect or higher wrap angles. Builders needing different ratios, larger bores or multi-strand capacity must select another sprocket.

Highlights

  • Precision 22-tooth engagement for smooth chain drive
  • 1 1/4in bore with 1/4in keyway fits standard shafts
  • Black-oxide steel resists corrosion in harsh conditions
  • Includes two set screws for secure hub locking
  • 78in outside diameter matches 40-series chain specs

Specifications

BrandTRITAN
TypeBearings, V-belts & Power Transmission Equipment
ColorTransparent

Questions about this item

Should I choose the 22-tooth version or a different tooth count for my #40 chain?

The 22-tooth design gives a 3.513 in pitch diameter and 3.78 in outside diameter on a 1 1/4 in bore. Fewer teeth reduce diameter and speed ratio; more teeth increase both. Match the tooth count to your required driven speed and shaft centre distance.

What does the 3.513 in pitch diameter mean once the sprocket is mounted on the shaft?

It is the effective diameter where the #40 chain engages. With a 1/2 in chain pitch, each revolution advances the chain 11 in, so driven speed equals motor speed divided by the driven-to-driver tooth ratio.

How does the 1 1/4 in fixed bore with 1/4 in keyway and two set screws limit installation options?

The bore only fits a 1 1/4 in shaft. The 1/4 in wide by 1/8 in deep keyway and two set screws lock rotation and axial position, so the shaft must be keyed and allow access for both screws.

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