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Steel sprocket, 36 teeth, black oxide finish, 7/8 inch bore with keyway

Tritan

Tritan 40BS36 X 7/8 Sprocket Finished Bore Keyway SS 40 Chain Size

SKU CH-D4HA-89H1F

Finished-bore steel sprocket with keyway and set screws for 40 chain, 36 teeth, 7/8 in bore

  • TypeBearings, V-belts & Power Transmission Equipment
  • ColorTransparent
  • 36 teeth give precise 40-chain engagement
  • 7/8 in finished bore fits shaft directly
  • 3/16 in keyway prevents rotational slip
  • Black oxide finish resists corrosion wear
  • Two set screws lock sprocket securely

TRITAN 40 Chain Sprocket 36 Teeth

This TRITAN sprocket fits 40 chain size and carries 36 teeth on a 7/8 in finished bore with a 3/16 in by 3/32 in keyway. It targets maintenance crews and OEM builders who need a direct replacement for worn power-transmission sprockets on conveyors or drives. The black-oxide steel body resists corrosion in industrial environments. Two set screws lock the hub to the shaft.

Installation Uses Two Set Screws

Slide the sprocket onto the shaft, align the key in the keyway, then tighten both set screws to 0.716 in hub projection. The fixed bore eliminates the need for bushings or adapters. Misalignment of the key or over-tightening the screws are the most common issues that cause vibration or premature wear. Verify chain wrap and tension after mounting.

Handles Single-Strand 1/2 in Pitch Loads

The 5.737 in pitch diameter and 6.02 in outside diameter give standard engagement for single-strand 1/2 in pitch chain. It transmits typical light-to-medium torque in packaging, agricultural or material-handling drives. High-speed or shock-load applications may exceed the capacity of the 1 in through-bore length and 3 3/4 in hub diameter. Multi-strand or heavier chain sizes are not compatible.

Highlights

  • 36 teeth give precise 40-chain engagement
  • 7/8 in finished bore fits shaft directly
  • 3/16 in keyway prevents rotational slip
  • Black oxide finish resists corrosion wear
  • Two set screws lock sprocket securely

Specifications

BrandTRITAN
TypeBearings, V-belts & Power Transmission Equipment
ColorTransparent

Questions about this item

How do I confirm the 36-tooth sprocket is correctly aligned on the 7/8-inch shaft after installation?

Verify the keyway width of 3/16 inch and depth of 3/32 inch seat the key fully, then tighten both set screws against the shaft to lock the 1-inch length through bore in place.

What hardware is included with the sprocket and what must be sourced separately?

Two set screws are included; the 3/16-inch wide by 3/32-inch deep key, roller chain, and any shaft or mounting hardware are not included.

Which chain pitch and bore combination matches the 40 chain size listed for this sprocket?

The sprocket is cut for 1/2-inch pitch chain and a fixed 7/8-inch bore with keyway, so only that chain and shaft size will engage correctly.

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