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Carbon steel jaw coupling hub with 1-1/8 inch bore and keyway

Lovejoy

Lovejoy L095 Jaw Coupling Hub 1-1/8 in Bore

SKU CH-6N88-J3RST

Carbon steel jaw coupling hub with a 1-1/8 in bore and keyway, rated to 9,000 RPM and compatible with Buna-N, urethane or Hytrel spiders

  • 1-1/8 in bore fits standard shafts
  • Carbon steel hub withstands high torque
  • Set screw locking secures hub firmly
  • Compatible with Buna-N, Urethane, Hytrel spiders
  • Rated up to 9,000 RPM for demanding drives

L095 Jaw Coupling Hub, 1-1/8 in Bore

This carbon steel hub fits shafts with a 1-1/8 inch round bore and standard keyway. It uses a set screw locking method and straight jaw profile for power transmission applications. The component is designed for inch measurement systems and mates with L095 series spider elements.

Replaces worn L095 hubs

The jump is worth it when the driven equipment requires the L095 torque capacity at speeds up to 9,000 RPM. Horsepower ratings at 100 RPM vary by spider material: 0.31 hp with Buna-N, 0.47 hp with Urethane, and 0.89 hp with Hytrel. Select the spider that matches the application load profile.

Installs by aligning keyway.

Common issues include incorrect keyway dimensions (1/4 in width, 1/8 in depth) or exceeding the maximum speed rating. Verify the shaft diameter matches the 1-1/8 in bore before assembly. Ensure the compatible center element (L095H, L095N, or L095U) is correctly seated between hubs.

Highlights

  • 1-1/8 in bore fits standard shafts
  • Carbon steel hub withstands high torque
  • Set screw locking secures hub firmly
  • Compatible with Buna-N, Urethane, Hytrel spiders
  • Rated up to 9,000 RPM for demanding drives

Specifications

No published specifications for this item yet.

Questions about this item

What shaft diameter and keyway dimensions does the L095 hub require?

The hub fits a 1-1/8 in round bore with a 1/4 in wide by 1/8 in deep keyway.

How is the hub secured to the shaft and what step is often missed?

Two set screws lock the hub; the common mistake is not tightening both screws to the same torque.

Which centre element should I keep as a spare for this hub?

The hub works with L095H (Hytrel), L095N (Buna-N) or L095U (Urethane) spiders; choose the material that matches your torque and temperature needs.

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