Joy (former Continental Conveyors), Idlers and Return Rolls/ Impact idler, tunneling conveyor systems structure

OR-C frame

Joy Idlers and Return Rolls

  • Available in medium-duty to super heavy-duty designs
  • Heavy-duty frame design

Contact an account manager for more information

HC series

The HC series idlers are produced using proprietary manufacturing techniques that allow adjustment of the bearing end-play setting to precise engineered specifications, providing absolute consistency roll to roll.

The 3/4”modified geometry automotive-class tapered roller bearing idler roll features an advanced five-stage seal design that ensures long operation life without re-lubrication:

  • An exterior shield provides an initial barrier to divert contaminants away from bearing cavity.
  • A flinger employs natural centrifugal forces to redirect potential contaminants away from the bearing cavity.
  • A grease-filled labyrinth seal retards lateral movement of contaminants.
  • A contact lip seal provides additional sealing protection and keeps lubricant in the bearing cavity.
  • A rear seal provides added protection for the grease reservoir.

The HC series idlers feature the following:

  • Counter-bored roll shell, protected weld
  • Available in sealed only

Our HC series idlers are available in the following configurations:

  • Troughing
  • V-return
  • Troughing training
  • Return training

HD series

The HD series idlers are produced using proprietary manufacturing techniques that allow adjustment of the bearing end-play setting to precise engineered specifications, providing absolute consistency roll to roll.

The 3/4”modified geometry automotive-class tapered roller bearing idler roll features an advanced five-stage seal design that ensures long operation life without re-lubrication:

  • An exterior shield provides an initial barrier to divert contaminants away from bearing cavity.
  • A flinger employs natural centrifugal forces to redirect potential contaminants away from the bearing cavity.
  • A grease-filled labyrinth seal retards lateral movement of contaminants.
  • A contact lip seal provides additional sealing protection and keeps lubricant in the bearing cavity.
  • A rear seal provides added protection for the grease reservoir.

The HD series idlers feature the following:

  • Up to 1 1/2” engineered shaft (reduced to ¾” at bearing) is available for additional load capacity on all return rolls and all 42” belt width and wider center troughing rolls
  • Counter-bored roll shell, protected weld

Our HD series idlers are available in the following configurations:

  • Troughing
  • Return rolls
  • V returns
  • Troughing training
  • Return training

HD-1500

The HD-1500 is a heavy-duty idler meeting the requirements for today’s higher capacity applications up to 1500 lb. CEMA load rating.

The 3/4”modified geometry automotive-class tapered roller bearing idler roll features an advanced five-stage seal design that ensures long operation life without re-lubrication:

  • An exterior shield provides an initial barrier to divert contaminants away from bearing cavity.
  • A flinger employs natural centrifugal forces to redirect potential contaminants away from the bearing cavity.
  • A grease-filled labyrinth seal retards lateral movement of contaminants.
  • A contact lip seal provides additional sealing protection and keeps lubricant in the bearing cavity.
  • A rear seal provides added protection for the grease reservoir.

The HD-1500 series idlers feature the following:

  • Up to 1 1/2” engineered shaft (reduced to ¾” at bearing) is available for additional load capacity
  • Counter-bored roll shell, protected weld

Our HD-1500 idlers are available in the following configurations:

  • Troughing
  • Return rolls
  • V returns
  • Troughing training
  • Return training

HX series

HX series idlers are available with “open” or “2RS factory-sealed” deep-groove ball bearings:

  • The HX-30 idler incorporates a 6306 (30 mm) bearing.
  • The HX-40 idler incorporates a 6308 (40 mm) bearing.

The HX series idlers feature the following:

  • Back seal that allows for a larger grease reservoir for “open” bearing rolls
  • Flinger to employ natural centrifugal forces generated by a rotating idler roll, redirecting potential contaminants away from the bearing cavity
  • Triple labyrinth seal to retard lateral movement and provide a barrier to contaminants reaching the bearing
  • Counter-bored shell with protected weld contributes to proper bearing alignment
  • Lip seal to provide added protection for the bearing

Our HX series idlers are available in the following configurations:

  • Troughing
  • Troughing training
  • V returns
  • Return rolls
  • Transition idlers

Both idlers are available in a wide range of application-specific bearing and seal designs and are paired with a heavy-duty frame design (incorporating die-formed end brackets) to maximize rigidity.

H-Plus series (regreasable)

The H-Plus series idler is a heavy-duty, regreasable idler.

The H-Plus series idlers feature the following:

  • Up to 1 3/8” engineered shaft (reduced to ¾” at bearing) is available for additional load capacity on all return rolls and all 42” belt width and wider center troughing rolls
  • Adjusting nut: provides additional protection to seal area and establishes a very precise bearing adjustment
  • Extra-heavy die-formed bracket: designed with super-wide base and direct mounting to end angle

In addition, the H-Plus series idlers feature the following components:

  • Combination lip and labyrinth seal: unique, precision die-cast nut and triple horizontal labyrinth seal provide three baffles to keep contaminants out. The lip seal contacts the precision zinc die-cast surface to provide maximum seal integrity.
  • Modified geometry tapered roller bearings: provide more bearing contact area than ball bearings, spreading the load over a larger area to relieve stress and enhance bearing life under heavy loads and impact.

Our H-Plus idlers are available in the following configurations:

  • Troughing
  • Troughing training
  • Impact idlers
  • Transition idlers
  • Return rolls
  • Rubber disc return roll
  • Return training

SDX-2200

The SDX-2200 is a super-duty idler meeting the requirements for today’s higher capacity applications up to 2200 lb. CEMA load rating. The combination labyrinth and contact seal has been proven in the field to be far superior to cartridge-type or conventional labyrinth seals used in many so-called heavy-duty idlers.

The SDX-2200 idlers feature the following:

  • Up to 2” engineered shaft (reduced to 1 1/4” at bearing) is available for additional load capacity.
  • Adjusting nut: provides additional protection to seal area and establishes a very precise bearing adjustment
  • Positive hold down: drop-in rolls are factory assembled and positively secured with a sturdy 3/8” bolt.
  • External labyrinth seal: unique roll head and nut combination to produce an extremely long path, close-tolerance labyrinth seal
  • Interchangeable rolls: wing and center rolls, either sealed or regreaseable, are completely interchangeable, reducing spare part requirements and simplifying field service
  • Anti-lock end bracket: provides ample clearance to prevent spilled material from wedging between roll and end bracket
  • Extra-heavy die-formed bracket: designed with super-wide base and direct mounting to end angle
  • Rigid one-piece jig welded frame: ensures accurate roll positioning, simplifying belt training, and greatly reducing friction and roll wear
  • Uniform wall thickness: eliminates potential source of roll vibration

In addition, the SDX-2200 series idlers feature the following components:

  • Groove-lock connection of machined head and tube: provides a truly concentric roll assembly and bearing alignment for long-life operation
  • Combination lip and labyrinth seal: combination of multiple labyrinths and contact lip seal provide close tolerance seal and maximum seal integrity
  • Heavy-section cast ductile head and nut: precision machined for accurate roll and bearing fit, assuring uniformity and dimensional accuracy

Both sealed and regreaseable designs are available.

HXF-40 series

The HXF-40 series, which incorporates a 40 mm spherical roller bearing, is designed for today’s super high-capacity operations.  Applications include high-tonnage mining and industrial applications and underground longwall coal mining operations that want to closer match tonnage rates to longwall mining machines.

Bearing protection features include:

  • Back seal that allows for a large grease reservoir
  • Flinger to employ natural centrifugal forces generated by a rotating idler roll, redirecting potential contaminants away from the bearing cavity
  • Triple labyrinth seal to retard lateral movement and provide a barrier to contaminants reaching the bearing
  • Counter-bored shell with protected weld contributes to proper bearing alignment
  • Lip seal to provide added protection for the bearing

Our HXF-40 idlers are available in the following configurations:

  • Troughing
  • Return rolls
  • Troughing training
  • Return training
  • Transition rollers
  • Impact rollers