Features
  • High torque transmission
  • Low drag overrunning
  • Overload protection
Applications
  • Automatic flywheel decoupling
  • Unidirectional stepping
  • Backstopping
Federal supply code - 15531
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Unit of Measure
Items
Spring Wrapped Overrunning Clutch – UNH Series

Spring Wrapped Overrunning Clutch – UNH Series
Spring Wrapped Overrunning Clutch – UNH Series

Spring Wrapped Overrunning Clutch – UNH Series
Spring Wrapped Overrunning Clutch – UNH Series

Spring Wrapped Overrunning Clutch – UNH Series
Spring Wrapped Overrunning Clutch – UNH Series

Spring Wrapped Overrunning Clutch – UNH Series
Spring Wrapped Overrunning Clutch – UNH Series

Spring Wrapped Overrunning Clutch – UNH Series
Direction Drive (Viewed from Input End) N/A CW CCW
Transmission Torque (lb·in) N/A 50 N/A 50 N/A 50 N/A 125 N/A 125
Max. Overrunning Torque (oz·in) N/A 3 N/A 3 N/A 3 N/A 5 N/A 5
Weight N/A 4 oz N/A 4 oz N/A 4 oz N/A 10 oz N/A 10 oz
A (in) N/A 1.07 N/A 1.07 N/A 1.07 N/A 1.32 N/A 1.32
B (in) N/A .9400 N/A .9400 N/A .9400 N/A 1.50 N/A 1.50
C + .0010 (in) N/A .1875 N/A .5620 N/A .3125 N/A .3750 N/A .5000
D - .001 (in) N/A .5620 N/A .5620 N/A .5620 N/A 1.00 N/A 1.00
E (in) N/A .14 N/A .14 N/A .14 N/A .22 N/A .22
F (in) N/A .730 N/A .730 N/A .730 N/A 1.250 N/A 1.250
G N/A #2-56 x .15 DP N/A #2-56 x .15 DP N/A #2-56 x .15 DP N/A #4-40 x .18 DP N/A #4-40 x .18 DP
H (in) N/A .99 N/A .99 N/A .99 N/A 1.50 N/A 1.50
J (in) N/A .24 N/A .24 N/A .24 N/A .36 N/A .36
K N/A #6-32 N/A #6-32 N/A #6-32 N/A #10-32 N/A #10-32