SGT Ball Screw Quick Reference

Load Rating
Diameter-Lead Nut Dynamic Static Root Dia. (in) Torque to Raise 1 lb (in·lb)
0631-0200 PRN* 440 2,110 0.500 0.035
SGN 700 3,360 0.500 0.035
PRN 350 1,690 0.500 0.035
SSN 440 2,110 0.500 0.035
SSN** 450 2,115 0.500 0.035
0750-0200 PRN 1,473 9,916 0.602 0.035
SSN 1,473 9,916 0.602 0.035
0875-0200 PRN 1,375 10,780 0.735 0.035
SSN 1,375 10,780 0.735 0.035
1000-0250 PRN 2,285 15,815 0.820 0.044
SSN 2,285 15,815 0.820 0.044
SAG 2,285 15,815 0.820 0.044
1150-0200 PRN 1,680 14,886 1.015 0.035
SSN 1,680 14,886 1.015 0.035
1250-0200 PRN 1,668 17,344 1.115 0.035
SSN 1,668 17,344 1.115 0.035
1250-0500 PRN 1,765 11,080 1.050 0.088
SSN 1,765 11,080 1.050 0.088
1500-0250 PRN 5,075 27,250 1.320 0.044
SSN 5,075 27,250 1.320 0.044
SAG 5,950 44,030 1.320 0.044
1500-0500 SSN 4,250 35,770 1.123 0.088
2000-0200 SSN 6,181 65,903 1.849 0.035
2000-0400 SSN 12,830 72,360 1.742 0.070
2250-0500 PRN 20,106 108,325 1.850 0.088
SSN 20,106 108,325 1.850 0.088
SAG 30,000 142,660 1.850 0.088
2500-0250 SAG 8,945 93,165 2.333 0.044
SSN 8,945 93,165 2.333 0.044
*preloaded nut with wipers
**internal return nut

Nook 2.00" diameter ball nuts are pictured below.

Figure 1