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Rexnord Addax Drive Shaft Composite Coupling LRR485.625

The Rexnord Addax Drive Shaft Composite Coupling LRR485.625 is a long-span composite floating shaft designed for industrial cooling tower power transmission systems. Its lightweight composite construction and stainless steel hardware provide stable torque transfer, reduced drivetrain stress, and strong corrosion resistance in continuously wet and chemically exposed environments.

  • Industrial cooling tower drive systems
  • Long-span motor-to-gearbox installations
  • HVAC cooling tower applications
  • Water treatment facilities
  • Petrochemical cooling systems
  • Corrosive and high-humidity industrial environments

This composite coupling is designed to simplify long-span drivetrain operation while minimizing maintenance and installation complexity.

  • Full-floating composite spacer eliminates intermediate support bearing requirements
  • Lightweight construction reduces installation effort and bearing load
  • Patented flex elements minimize fretting and drivetrain wear
  • 316 stainless steel hardware improves corrosion resistance in humid environments
  • High misalignment tolerance supports structural movement during operation
  • Long-span configuration improves cooling tower drivetrain stability
  • Composite structure reduces vibration transfer across connected equipment

 

It is engineered for stable long-span industrial operation and reliable cooling tower power transmission.

  • Model: LRR485.625
  • Series: Addax LRR Series
  • Coupling Style: Long Span
  • Coupling Type: Composite
  • Continuous Torque Rating: 5,500 lb-in
  • Peak Torque Rating: 16,500 lb-in
  • Maximum Horsepower: 150 HP
  • Maximum Speed: 1800 RPM
  • Balanced Speed Rating: 1800 RPM
  • Distance Between Shaft Ends (DBSE): 170 in
  • Spacer Length: 168.8 in
  • Maximum Bore Capacity: 5.06 in (130 mm)
  • Hub Straight Bore Diameter (Hub 1): 0.625 in
  • Hub Straight Bore Diameter (Hub 2): 3.38 in
  • Disc Pack Material: Composite
  • Hub Material: 316 Stainless Steel
  • Hardware Material: Stainless Steel
  • Design Type: Full-floating center section without intermediate support bearings

Addax Composite Couplings Catalog

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