Thomas XTSR71


For decades the reliability of ThomasĀ® SR71 couplings have led the industry. Rexnord has advanced the design and performance with the introduction of the XTSR71. The new design retains the piloted center member to provide fast installation and repeatable balance significantly reducing your installation and service time. In addition the XTSR71 is engineered with optimum torque density ratios to minimize overhung loads while transmitting maximum torque and ensuring reliable and safe performance. The XTSR71 meets API 610 / ISO 13709 as manufactured and AIP 671 / ISO 10441 when specified.


  • Optimum torque density
  • Tapered bolt design
  • Standard hardware
  • Standard overload bushings
  • Manganese Phosphate


    • Low overhung loads / lower cost of ownership
    • Quick installation without damaging the disc pack
    • No special tooling required
    • Longer life
    • Standard protective coating


    • Electrically insulated
    • Torsionally adjusted
    • Limited end float
    • Torque meter
    • Reduced sparking
    • Meets ATEX II 2GD cT6 and ISO 14691
    • Meets API 671 and API 610 when specified

    Industries served: petrochemical, power generation, oil & gas, refineries

    Typical Applications: pumps, compressors, blowers, fans, turbines, synchronized rollers, wire feeders