Size: 3668

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XTSR71 couplings replace the Series 71 and 71-8 with upgraded features that include modular disc packs, improved torque ratings, reduced weight and ease-of-assembly features. Designed for applications requiring a spacer-type coupling such as ANSI, API and other process pumps. They are most commonly applied on motor, turbine, and gear driven pumps, compressors and blowers. XTSR71 can retrofit Thomas Series 71, 71-8 and John Crane Metastream hubs. The simple 3-piece design, fast ‘drop-out’ center assembly, and dynamic balance characteristics compliment a disc design that allows for low flexing forces and high overload capacity.

3668 Specifications

Maximum Continuous Torque Rating: Up to
834000 inch/lb
Distance Between Shaft Ends Range:
12.20000 to 36.00000 inches
Bore Capacity:
0.50000000 to 10.87500 inches
Maximum Operating Speed:
4400 rpm (balanced)