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Duff-Norton has been manufacturing Acme and Ball Screws and Nuts for our actuator products for decades, and is now applying those years of experience to bring you an expanded assortment of screws and nuts for your application requirements. Acme Screws & Nuts offer excellent load ratings and Centralizing class screw & nut assemblies. Ball Screws & Nuts offer excellent load ratings, 90% efficiency, and long predictable life ratings.


 

 

 

 


Duff-Norton has been manufacturing ball screw and nuts for our actuator products for decades, and is now applying those years of experience to bring you an expanded assortment of ball screw and nuts for your application requirements.

 

 

 

 

 

 

 

 

 

Ball Screw and Nut Selection Guide
Click on a part number below to download PDF

Screw Ball Screw Screw Turns Thread Standard Root Ball Nut Ball Nut Flange
Diameter Part# Lead (in) Per Inch Starts Length Diameter Part# Description Part#
1/2" 050BSA020 .200 5 Single 6 ft. .360 050BNH020 Round 2 Circuit FL0937
  050BSA050 .500 2 Double 6 ft. .360 050BNH050 Round 2 Circuit FL0937
.631" 063BSA020 .200 5 Single 6 ft. .480 063BNE020 Square 1 Circuit FL0937
  063BSA020L .200 5 Single LH 6 ft. .480 063BNE020L Square 1 Circuit FL0937
  063BSA100 1.00 1 Double 6 ft. .480 063BNH100 Round 2 Circuit FL0937
3/4" 075BSA020 .200 5 Single 6 ft. .660 075BNG020 Round 1 Circuit FL1173
  075BSA020 .200 5 Single 6 ft. .660 075BNH020 Round 2 Circuit FL1173
  075BSA050 .500 2 Double 6 ft. .630 075BNH050 Round 2 Circuit FL1173
1" 100BSA025 .250 4 Single 16 ft. .840 100BNE025 Square 1 Circuit FL1563
  100BSA025 .250 4 Single 16 ft. .840 100BNF025 Square 2 Circuit FL1563
  100BSA100 1.00 1 Double 16 ft. .840 100BNF100 Square 2 Circuit FL1563
1.17" 117BSA041 .413 2.421 Single 16 ft. .870 117BNH041 Round 2 Circuit FL1967
1 1/2" 150BSA047 .473 2.114 Single 20 ft. 1.14 150BNH047 Round 2 Circuit FL2548
  150BSA100 1.00 1 Double 20 ft. 1.14 150BNF100 Square 2 Circuit FL2250
  150BSA100 1.00 1 Double 20 ft. 1.14 150BNH100 Round 2 Circuit FL2250
  150BSA187 1.875 .53 Double 20 ft. 1.19 150BNF187 Square 2 Circuit FL2250
2" 200BSA050 .500 2 Single 20 ft. 1.72 200BNH050 Round 2 Circuit FL3000
  200BSA100 1.00 1 Double 20 ft. 1.72 200BNH100 Round 2 Circuit FL3000
2 1/4" 225BSA050 .500 2 Single 20 ft. 1.85 225BNH050 Round 2 Circuit FL3137
  225BSA050L .500 2 Single LH 20 ft. 1.85 225BNH050L Round 2 Circuit FL3137
  225BSA100 1.00 1 Double 20 ft. 1.85 225BNH100 Round 2 Circuit FL3137
3" 300BSA066 .660 1.515 Single 20 ft. 2.48 300BNJ066 Round 3 Circuit FL4325
4" 400BSA100 1.00 1 Single 20 ft. 3.34 400BNJ100 Round 3 Circuit FL5497