The Rexnord Thomas XTSR71 spacer disc coupling is a high performance 3-piece design enabling compact packaging for critical operating conditions including API applications. The Thomas XTSR71 couplings are API 610, ISO 14691, and API 671 (ISO 10441) compliant when specified as well as ATEX II 2GD c T6 certified. Typical applications include motor and turbine driven pumps, compressors, fans, synchronized rollers, wire feeders and blowers. XTSR71 couplings are compatible with one or two sizes larger hubs and available in 23 sizes ranging from 494 through 5258. The Thomas XTSR71 Coupling is engineered to accomodate torque loads up to 2,510,000 lb-in and shaft diameters up to 16.0 inches. Click below to configure the Thomas XTSR71 disc coupling specific to your application.