Features
  • Long life under continuous slip conditions
  • Unidirectional or bidirectional operation
  • Same or different CW and CCW torques
  • Precise and stable limit torque calibration
  • Range: 1.0 to 600 oz·in
  • Same torque at breakaway as at high slip velocities
  • Slot for pin coupling
  • Corrosion resistant materials
Applications
  • Drag torques for supply reels
  • Safe holding of backdriving loads
  • Friction loading of mechanism
  • Friction loads for testing components
Federal supply code - 15531
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Model No.

Upper Limit Torque (oz·in)

A (in)

C + .0010 (in)

G

L (in)

CO-B-201 N/A 9 ± 2 N/A .9300 N/A .1250 N/A #2-56 N/A .63
CO-B-202 N/A 9 ± 2 N/A .9300 N/A .1875 N/A #2-56 N/A .63
CO-B-301 N/A 20 ± 2 N/A 1.24 N/A .1875 N/A #4-40 N/A 1.0
CO-B-302 N/A 20 ± 2 N/A 1.24 N/A .2500 N/A #4-40 N/A 1.0
CO-B-303 N/A 20 ± 2 N/A 1.24 N/A .3125 N/A #4-40 N/A 1.0
CO-B-401 N/A 48 ± 5 N/A 1.25 N/A .2500 N/A #6-32 N/A 1.25
CO-B-403 N/A 48 ± 5 N/A 1.25 N/A .3125 N/A #6-32 N/A 1.25
CO-B-500 N/A 80 ± 8 N/A 1.26 N/A .2500 N/A #6-32 N/A 1.5
CO-B-503 N/A 80 ± 8 N/A 1.26 N/A .3125 N/A #6-32 N/A 1.5
CO-B-600 N/A 120 ± 12 N/A 1.67 N/A .2500 N/A #6-32 N/A 1.87
CO-B-603 N/A 120 ± 12 N/A 1.67 N/A .3125 N/A #6-32 N/A 1.87
CO-B-653 N/A 150 ± 13 N/A 1.88 N/A .3125 N/A #8-32 N/A 1.87
CO-B-654 N/A 150 ± 13 N/A 1.88 N/A .3750 N/A #8-32 N/A 1.87
CO-B-655 N/A 150 ± 13 N/A 1.88 N/A .5000 N/A #8-32 N/A 1.87
CO-B-702 N/A 240 ± 24 N/A 1.88 N/A .2500 N/A #8-32 N/A 2.25
CO-B-703 N/A 240 ± 24 N/A 1.88 N/A .3125 N/A #8-32 N/A 2.25
CO-B-704 N/A 240 ± 24 N/A 1.88 N/A .3750 N/A #8-32 N/A 2.25
CO-B-705 N/A 240 ± 24 N/A 1.88 N/A .5000 N/A #8-32 N/A 2.25
CO-B-803 N/A 360 ± 36 N/A 1.88 N/A .3125 N/A #10-32 N/A 2.62
CO-B-804 N/A 360 ± 36 N/A 1.88 N/A .3750 N/A #10-32 N/A 2.62
CO-B-805 N/A 360 ± 36 N/A 1.88 N/A .5000 N/A #10-32 N/A 2.62
CO-B-906 N/A 480 ± 50 N/A 2.08 N/A .6250 N/A 1/4-20 (2 @ 120º) N/A 3.0
CO-B-907 N/A 480 ± 50 N/A 2.08 N/A .7500 N/A 1/4-20 (2 @ 120º) N/A 3.0
CO-B-908 N/A 480 ± 50 N/A 2.08 N/A .8750 N/A 1/4-20 (2 @ 120º) N/A 3.0
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