ball screws

Table 3

ARow
BMajor
Diameter
(in.)
CLead
(in./rev.)
DEffective
Threads
per Inch*
EThreads
per Inch
FStarts
GMinor
Diameter
(in.)
HScrew
Weight
(lbs./ft.)
IStatic Load
Rating
(Standard Nut)
(lbs.)
JOperating
Load Rating
(Standard Nut)
(lbs.)
KStatic Load
Rating
(Heavy Duty Nut)
(lbs.)
LOperating
Load Rating
(Heavy Duty Nut)
(lbs.)
MProduct
Line
$Prices & Products
RH (Right Hand)
LH (Left Hand)
1/4"0.1885.3195.31910.1800.130NA25NANAFreewheelingRH
5/16"0.1258820.2760.239NA75NANAFreewheelingRH
3/8"0.1258810.3000.3101,3501352,700270RecirculatingRH, LH
1/2"0.5002420.3550.5004,000750NANARecirculatingRH
9/16"0.083121210.4580.670NA150NANAFreewheelingRH
5/8"0.2005510.4800.8206,00075010,5001,300RecirculatingRH, LH
5/8"0.1885.3195.31920.5600.959NA300NANAFreewheelingRH
3/4"0.2005510.5941.2309,00090018,0001,900RecirculatingRH, LH
3/4"0.2504410.0001.310NA450NANAFreewheelingRH
3/4"0.5002420.6351.40920,0003,100NANARecirculatingRH
1"0.2504410.8202.20013,0001,60026,0002,900RecirculatingRH, LH
1"0.2803.5713.57110.8312.230NA750NANAFreewheelingRH
1"0.3333310.7522.03016,0002,100NANARecirculatingRH
1"0.5002420.8202.20028,0003,700NANARecirculatingRH
1"1.0001440.8202.20011,2002,100NANARecirculatingRH, LH
1 1/2"0.5002421.1254.67957,5009,300NANARecirculatingRH
1 1/2"1.0001221.1254.67933,3007,000NANARecirculatingRH

*Effective threads per inch is the reciprocal of the lead. For screws with more than one start it is not the actual threads per inch.