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	FL1137
	075BSA020	.200	5	Single	6 ft.	.660	075BNH020	Round 2 Circuit	FL1137
	075BSA050	.500	2	Double	6 ft.	.630	075BNH050	Round 2 Circuit	FL1137
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