Lovejoy
Lovejoy L100 25mm Jaw Coupling Hub Carbon Steel
Carbon-steel jaw coupling hub with a 25 mm bore and keyway, rated to 7 000 RPM and compatible with L100 Buna-N, urethane or Hytrel spiders
- 25 mm bore fits standard metric shafts
- Carbon steel hub resists wear at 7 000 RPM
- Set-screw locking secures hub without extra hardware
- Straight jaw profile accepts Buna-N, urethane or Hytrel spiders
- 64 mm outside diameter suits L100 coupling size
Industrial Jaw Coupling Hub for 25 mm Shafts
This Lovejoy L100 hub fits a 25 mm round bore with an 8 mm keyway and 3.3 mm keyway depth. It is designed for metric shaft connections in power-transmission assemblies. The carbon-steel construction suits general industrial machinery.
Carbon Steel Build with Set-Screw Locking
The hub measures 64 mm outside diameter and 89 mm overall length. A set screw provides shaft locking for straightforward installation and removal. Straight jaw profile accepts L100 Buna-N, Urethane or Hytrel centre elements.
Replaces Worn L100 Hubs in Existing Drives
Use this hub when an L100 coupling shows backlash or keyway damage. The jump is worth it if your application runs up to 7,000 rpm and requires up to 1.8 hp at 100 rpm with a Hytrel spider. It does not suit shafts larger than 25 mm or non-L100 element series.
Highlights
- 25 mm bore fits standard metric shafts
- Carbon steel hub resists wear at 7 000 RPM
- Set-screw locking secures hub without extra hardware
- Straight jaw profile accepts Buna-N, urethane or Hytrel spiders
- 64 mm outside diameter suits L100 coupling size
Specifications
No published specifications for this item yet.
Questions about this item
What speed does the L100 coupling hub handle in practice?
The hub is rated for 7,000 RPM maximum; the 64 mm outside diameter and 89 mm overall length stay within that limit when the correct spider is fitted.
What shaft and keyway dimensions does the 25 mm bore hub require?
It fits a 25 mm round shaft with an 8 mm wide by 3.3 mm deep keyway; the set-screw locking seats on the keyway flats.
How is the hub installed and which step is often missed?
Slide the hub onto the keyed shaft, align the key in the 8 mm keyway, then tighten the set screw onto the key — skipping the key alignment lets the hub spin loose.
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