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Sintered iron jaw coupling hub, L110 size, 1-1/8 inch bore with keyway

Dayton

Dayton 29HY69 L110 Jaw Coupling Hub 1-1/8 in Bore Sintered Iron

SKU CH-YTZV-6FK9E

Shaft coupler hub size L110 with 1-1/8 in bore, sintered iron construction and 5,000 RPM maximum speed

  • L110 coupling hub fits 1-1/8 in shafts with keyway
  • Sintered iron construction handles up to 5,000 RPM
  • Set-screw locking secures hub to round-bore shafts
  • Straight jaw profile accepts Buna-N, urethane or Hytrel spiders
  • Delivers 1.3 hp at 100 RPM with Buna-N spider

Jaw Coupling Hub L110 1-1/8 in Bore

The Dayton 29HY69 is a straight-jaw coupling hub machined from sintered iron for inch-system power-transmission shafts. It accepts a 1-1/8 in round bore with a 1/4 in wide by 1/8 in deep keyway and locks to the shaft with a set screw. This hub suits maintenance and OEM builds that require a replaceable L110-size coupling half.

Sintered Iron Build and Set-Screw Locking

Sintered iron construction gives the hub a 3 21/64 in outside diameter and a 4 15/64 in overall length while keeping the part economical for moderate-duty drives. The set-screw locking method allows quick installation and removal on keyed shafts without special tooling, and the straight jaw profile mates with standard L110 spiders for straightforward alignment in the field.

Speed and Power Limits by Spider Material

Maximum rated speed is 5,000 RPM. At 100 RPM the hub transmits 1.3 hp with a Buna-N spider, 2.0 hp with a urethane spider, and 3.6 hp with a Hytrel spider. Buyers needing higher torque capacity or operation above 5,000 RPM must select a larger coupling size or alternative drive system.

Highlights

  • L110 coupling hub fits 1-1/8 in shafts with keyway
  • Sintered iron construction handles up to 5,000 RPM
  • Set-screw locking secures hub to round-bore shafts
  • Straight jaw profile accepts Buna-N, urethane or Hytrel spiders
  • Delivers 1.3 hp at 100 RPM with Buna-N spider

Specifications

No published specifications for this item yet.

Questions about this item

What coupling size and jaw profile does the L110 hub use, and how does that limit interchangeability?

It uses an L110 size with a straight jaw profile, so it only mates with L110 spiders and hubs of the same profile.

What shaft diameter, keyway dimensions and set-screw locking does this hub require for mounting?

It fits a 1-1/8 in round bore with a 1/4 in wide by 1/8 in deep keyway and locks via set screws.

How is the hub installed on the shaft, and which step is most often missed?

Slide the hub onto the keyed shaft, align the key in the keyway, then tighten both set screws — the step often missed is tightening the second set screw.

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