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Black-oxide steel sprocket with 15 teeth and 1-inch bore keyway

Tritan

Tritan 40BS15H Sprocket 40 Chain 15 Teeth 1in Bore Keyway Collectible

SKU CH-A6Z8-RBMPZ

Steel chain sprocket with 15 teeth, 1-inch bore, keyway and set screws for #40 roller chain

  • Product typeBearings, V-belts & Power Transmission Equipment
  • Product colorTransparent
  • Ready to install with two set screws included
  • Precise fit from 1 in bore with 1/4 in keyway
  • Durable steel construction with black oxide finish
  • Matches 40 chain pitch for reliable power transfer
  • Compact 2.65 in outside diameter suits tight spaces

Sprocket for 40 Chain and 1-Inch Shaft

This TRITAN sprocket fits 40 chain pitch with a fixed 1-inch bore and keyway. It is intended for power-transmission builds that need a single-strand drive on a one-inch shaft.

Steel Construction with Black Oxide Finish

The steel body carries a black oxide coating for corrosion resistance. Two set screws lock the hub to the shaft, and the 0.591-inch hub projection keeps the assembly compact.

Fifteen Teeth on 2.405-Inch Pitch Diameter

The 15-tooth design yields a 2.405-inch pitch diameter and a 2.65-inch outside diameter. Buyers needing a different tooth count or bore size should select another sprocket.

How it compares

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

Price $14.99
Cheaper than about 80% 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

How do I install the 15-tooth 40 chain sprocket on a 1 in shaft and what step is often missed?

Slide the sprocket onto the 1 in shaft, align the 1/4 in wide by 1/8 in deep keyway with the shaft key, then tighten both included set screws against the key and shaft flat; the step often missed is securing the second set screw.

What maintenance or replacement will the 40BS15H sprocket need over time?

Inspect the 15 teeth for hooking or uneven wear from the 1/2 in pitch chain; replace the sprocket when tooth profiles become pointed or the 2.65 in outside diameter shows measurable reduction.

What is the first limit that appears when the steel sprocket runs continuously under load?

The 0.591 in hub projection and 7/8 in length through bore concentrate heat, so tooth-surface temperature rise from friction becomes the limiting factor before the black-oxide finish degrades.

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