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Grey carbon-steel jaw coupling hub L099 28 mm bore 64 mm OD 73 mm long

Lovejoy

Lovejoy L099 28 mm jaw coupling hub

SKU CH-BGBT-FWG00

Metric L099 jaw coupling hub with 28 mm bore, 64 mm outside diameter and 73 mm length, rated to 7,000 RPM

  • 28 mm bore fits standard metric shafts
  • Carbon-steel hub rated to 7,000 RPM
  • Works with Buna-N, Urethane or Hytrel spiders
  • 51 hp at 100 RPM with Buna-N spider
  • Set-screw locking for quick, secure installation

L099 28 mm jaw coupling hub

This carbon-steel hub fits a 28 mm round bore with an 8 mm keyway and set-screw locking. It forms one half of an L099 jaw coupling used to connect driver and driven shafts in general industrial machinery.

Replaces worn L099 hubs

Swap this hub when the existing bore is damaged or the keyway is wallowed out. The upgrade is worthwhile when the original hub shows fretting or when a new keyway width is required for a different shaft.

Metric L099 interface limits

The hub accepts L099 Buna-N, urethane or Hytrel centre elements rated at 0.51 hp, 0.77 hp or 1.3 hp at 100 rpm. Maximum rotational speed is 7,000 rpm and outside diameter is 64 mm, so guard clearance and spider selection must match those boundaries.

Highlights

  • 28 mm bore fits standard metric shafts
  • Carbon-steel hub rated to 7,000 RPM
  • Works with Buna-N, Urethane or Hytrel spiders
  • 51 hp at 100 RPM with Buna-N spider
  • Set-screw locking for quick, secure installation

Specifications

No published specifications for this item yet.

Questions about this item

Will the 28 mm bore with 8 mm keyway fit my motor shaft?

The hub has a 28 mm round bore and an 8 mm wide by 3.3 mm deep keyway, matching standard metric shafts of that size.

How do I secure the hub once it is on the shaft?

Tighten the set screws over the keyway so the shaft cannot rotate independently of the hub.

Which centre element should I keep in stock for later replacement?

Compatible spiders are part numbers L099H for Hytrel, L099N for Buna-N and L099U for Urethane.

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