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Lovejoy L150 jaw coupling hub, carbon steel, 35 mm bore, keyway, set screw

Lovejoy

Lovejoy L150 35mm Jaw Coupling Hub

SKU CH-7H4Q-J5DXK

35 mm bore jaw coupling hub rated to 5 000 RPM with 2 hp Buna-N or 5.9 hp Hytrel spider capacity

  • 35 mm bore fits standard metric shafts
  • Carbon steel hub withstands 5,000 RPM operation
  • Set-screw locking secures hub to shaft reliably
  • Accepts Buna-N, Urethane or Hytrel spider elements
  • Keyway 10 mm wide by 3.3 mm deep provides positive drive

Jaw Coupling Hub L150 35mm Bore

The Lovejoy L150 hub connects shafts in power-transmission systems. It fits a 35mm round bore with a 10mm keyway and 3.3mm keyway depth. Set-screw locking secures the hub to the shaft. The carbon-steel body suits general industrial machinery.

Sustained Load Behaviour

Rated horsepower varies with the centre element material at 100 RPM. A Buna-N spider delivers 2 hp, urethane provides 3 hp and Hytrel reaches 5.9 hp. The hub is rated for continuous operation up to 5,000 RPM. Straight jaw profile ensures consistent torque transmission under steady load.

Thermals Noise and Power Draw

Carbon-steel construction dissipates heat through the hub body during operation. Mechanical noise remains low when the spider element is correctly aligned and lubricated. Power draw depends on the driven load and selected spider rating. The 95mm outside diameter and 114mm overall length fit standard L150 installations.

Highlights

  • 35 mm bore fits standard metric shafts
  • Carbon steel hub withstands 5,000 RPM operation
  • Set-screw locking secures hub to shaft reliably
  • Accepts Buna-N, Urethane or Hytrel spider elements
  • Keyway 10 mm wide by 3.3 mm deep provides positive drive

Specifications

No published specifications for this item yet.

Questions about this item

How much heat and noise does the L150 hub generate when running continuously at 5,000 RPM?

The hub itself has no moving parts that create heat or noise; any temperature rise comes from the spider element and shaft alignment. Proper lubrication and alignment keep operating temperatures low.

What shaft and spider must I already have to install this 35 mm bore hub?

You need a 35 mm shaft with a 10 mm keyway 3.3 mm deep, plus a compatible L150 centre element — Buna-N, Urethane or Hytrel spider — to complete the coupling.

Will this L150 hub work with the older L150H, L150N and L150U centre elements I already own?

Yes, the hub is designed for the L150H, L150N and L150U spiders, so your existing elements will fit without modification.

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