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Black oxide steel sprocket with 23 teeth and 1in bore keyway

Tritan

Tritan 40BS23H Sprocket 40 Chain 23 Teeth 1in Bore Keyway

SKU CH-649Y-TT43V

A 23-tooth steel sprocket for 40 chain with a 1 in bore, keyway and set screws included

  • Product typeBearings, V-belts & Power Transmission Equipment
  • Product colorTransparent
  • Fits 40 chain with 23 teeth for reliable power transfer
  • 1 in bore with 1/4 in keyway and set screws for secure mounting
  • Black oxide finish on steel resists corrosion in demanding environments
  • 94 in outside diameter matches standard 40 chain geometry
  • Hub projection of .716 in allows compact assembly in tight spaces

Precision Power Transmission Sprocket

The Tritan 40BS23H is a finished-bore sprocket engineered for 40 chain size systems requiring exact pitch engagement. Its 23-tooth configuration delivers precise rotational control for industrial and agricultural drive applications. The 1in bore with integrated keyway ensures secure shaft mounting without slippage under load.

Sustained Load Performance

Under continuous operation the steel construction resists elongation and tooth deformation across extended duty cycles. Black oxide finish reduces surface wear where chain rollers engage the 3.672in pitch diameter. Two set screws lock the hub firmly against axial drift when vibration persists over long runs.

Thermal and Mechanical Stability

Steel body dissipates frictional heat evenly across the 3.94in outside diameter during normal power transfer. The 1in length through bore distributes radial forces across the full hub width of 3in. Fixed bore type eliminates backlash that can accelerate wear in high-cycle environments.

How it compares

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

Price $25.99
Typical for this category: the median of 1,367 items is $26.99.

Specifications

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

Questions about this item

Does the 3.94 in outside diameter sprocket generate noticeable heat or noise when running continuously?

The steel sprocket itself has no motor or bearings, so it produces no heat or noise; any sound or temperature rise comes from the chain and driver, not the 23-tooth wheel.

What shaft and key stock must I already have to mount this 1 in bore sprocket with its 1/4 in keyway?

You need a 1 in diameter shaft and a 1/4 in wide by 1/8 in deep key that matches the fixed bore and keyway dimensions.

Will this 40 chain pitch sprocket mesh with an older #40 roller chain I already own?

Yes, the 1/2 in pitch and 23 teeth match standard #40 chain, so it will engage correctly with existing #40 chain of the same pitch.

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