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7/8" (22 mm) KERK® LEAD SCREW ASSEMBLIES

 

Kerk Acme Lead Screw Assemblies - Customized and standard configurations available.  Wide variety of diameters, leads, anti-backlash and general purpose nut styles, and load ratings.

Lead Screw Size List

 

Nominal Screw Diameter: 7/8" (22 mm)
Compatible Lead Screw Nut Styles: ZBA, NTB, VHD, BFW
 

Diameter Diameter
Code
Lead Lead
Code
Left
Hand
Avail.
Outside Diameter
(For Reference)
Root Diameter
(For Reference)
Efficiency
%*
inches mm in mm in mm in mm
7/8 22 087 0.200 5.08 0200 0.870 22.10 0.742 18.85 48
0.236 6.00 0236   0.848 21.54 0.773 19.63 52
0.250 6.35 0250   0.875 22.23 0.749 19.02 53
0.394 10.00 0394   0.875 22.23 0.741 18.82 65
0.500 12.70 0500   0.862 21.89 0.744 18.90 69
0.667 16.94 0667   0.871 22.12 0.745 18.92 74
0.787 20.00 0787   0.875 22.23 0.741 18.82 78
0.945 24.00 0945   0.875 22.23 0.741 18.82 79
1.000 25.40 1000   0.871 22.12 0.742 18.85 80

*Listed efficiencies are theoretical values based on Kerkote® TFE coated lead screws.

Shaded areas have been translated from their designed inch or mm dimension to an equivalent mm or inch dimension.