Rexnord DBZ Thomas Disc Couplings
Thomas DBZ disc couplings are legacy general purpose high-speed, high-torque couplings. Typical applications include mixers, compressors, agitators, blowers & fans, centrifugal pumps, and conveyors. DBZ couplings are available in three configurations to maximize application flexibility:
DBZ: Both hubs are inverted inside the disc pack for minimal shaft-to-shaft spacing
DBZ-A: One hub is extended to accommodate taper bores and larger shaft gaps
DBZ-B: Both hubs are extended for maximum shaft-to-shaft spacing
DBZ couplings are available in 13 sizes ranging from size 50 through 451, and are designed to accommodate maximum continuous torque loads up to 43,400 (lb-in) and shaft diameters up to 4.63 inches.
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