Perma-Tork® Adapter Specifications and Mounting Stub Shaft Adapter Stub shaft adapters are available for the clutch models listed in the chart below. Use the stub shaft adapter when using the clutch models in in-line applications. The stub shaft adapter is supplied with mounting screws. Simply attach stub shaft and mount clutch with a flexible coupling. See typical mounting configurations below. Imperial Models (Dimensions in inches) Adapter Clutch Model A B L OD D +0.000 -0.001 Z 2-38-3 HC2-14 0.50 Flat 0.13 0.75 1.60 0.250 0.230 0.88 Flat 0.19 1.19 2.9 0.375 0.355 0.80 X 0.125 square key 0.25 1.28 4.00 0.500 - HC4-58 4-38-3 HC4-12 HC5-58 5-38-3 HC5-12 Metric Models (Dimensions in mm) Adapter Clutch Model A B L OD D +0.000 -0.001 Z 2-6-3 HC2-M6 12.7 Flat 3.3 19.1 40.6 6 H8 5.50 4-14-3 HC4-M14 22.2 Flat 4.8 30.2 73.0 14 H8 10.70 5-17-3 HC5-M17 20.3 X 5 6.4 32.5 101.6 17 H8 14.50 Permanent Magnet Clutches & Brakes Typical Mounting Configurations Brake Clutch Coupling Brake applications In-Line application Parallel shaft or jack shaft Typical setup for tensioning wire, fiber, film on pay off. Note: If there is a dramatic change in the unwound material's radius there will be a similar change in tension. Typical torque limiting and jam load protection for labels, printing and capping. Note: Use a flexible coupling and support Perma-Tork carefully at both ends. Typical use of "clutch" style (hollow shaft) device on NEMA motor or jack shaft. 156 Permanent Magnet Clutches & Brakes Clutch