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Nook Industries provides a complete selection of inch and metric Ball Screws, Roller Screws, Acme Screws, Lead Screws, End Bearing Supports, Precision Locknuts, Worm Gear Screw Jacks, Electric Actuators, HRC 60 Linear Shafting, Linear Bearings and Pillow Blocks to the Linear Motion Industry.
 

PRECISION BALL
SCREW ASSEMBLIES

2D and 3D CAD Files

Inch Ball Screw Assemblies

Metric Ball Screw Assemblies

Ball Screw Catalog

Ball Screw Calculators:
Horsepower
Ball Nut Life
Critical Speed
Column Strength
Unit Converter


Ball Screw Glossary

Ball Screw Characteristics

Ball Screw Materials

Performance Charts

Reference Number

Lubrication

Twin-Lead Assembly

Modular Assembly

Application Examples
DIGITAL EDITION
Linear Motion Design Guide:
Page through
Nook product
catalog online.
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1-800-321-7800
216-271-7900
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 INCH BALL SCREW ASSEMBLIES
SRT Rolled Ball Screw Assemblies
XPR Precision Rolled Ball Screw Assemblies
SGT Precision Ground Ball Screw Assemblies		 Inch Ball Screw Assemblies
  • Lead accuracy of:
    ± 0.004 in/ft - Standard Rolled (SRT)
    ± 0.001 in/ft - Precision Rolled (XPR)
    ± 0.0005 in/ft - Precision Ground (SGT)
  • Standard diameters from 3/8" to 4"
    (larger diameters up to 14")
  • Standard leads from 0.125" to 1.875"
  • Alloy and Stainless Steel Screws
Request A Free Quote
Custom Sort and Compare Ball Screw Assemblies
Sort Nook standard cataloged inch ball or metric assemblies by a category or view a side-by-side screw comparison. To view a specific screw assembly click on that nut link.
SRT STANDARD ROLLED INCH BALL SCREW ASSEMBLIES Lead Accuracy ± 0.004 in/ft
SRT INCH BALL SCREW AND NUT
BALL
NUT
PART
NUMBER		 BALL NUT
DESCRIPTION

BALL
CIRCLE
DIA
(in.)

LEAD
(in.)		 ROOT
(in.)		 HELIX MATERIAL STATIC
LOAD
(lbs.) 		DYN.
LOAD
(lbs.) 		TORQUE
TO RAISE
1 lb.
(in.-lb.)		 PRELOAD
RANGE
(lbs.) 		PDF
PAGE
0375 - 0125                    
SBN9574 SBN Single Circuit .375 .125 .300 RH Alloy 1415 136 .022 - 99
SBN9576 SBN Single Circuit .375 .125 .300 LH Alloy 1415 136 .022 - 99
SBN9578 SBN Single Circuit .375 .125 .300 RH SS 255 24 .022 - 99
SBN7502 SBN Double Circuit .375 .125 .300 RH Alloy 2830 272 .022 - 99
SBN8282 SBN Double Circuit .375 .125 .300 LH Alloy 2830 282 .022 - 99
SBN7643 SBN Double Circuit .375 .125 .300 RH SS 509 50 .022 - 99
SEL0375 SEL Adjustable Preload .375 .125 .300 RH Alloy 1415 136 .022 10 99
0500 - 0200                    
SBN10094 SBN Double Circuit .500 .200 .405 RH Alloy 7071 973 .035 - 100
SEL10103 SEL Adjustable Preload .500 .200 .405 RH Alloy 7071 973 .035 97 - 292 100
0500 - 0500                    
SBN9582 SBN Double Circuit .500 .500 .360 RH Alloy 4131 786 .088 - 101
SBN9582E SBN Double Circuit .500 .500 .360 RH Alloy 4131 786 .088 - 101
SBN7506 SBN Double Circuit Trunnion .500 .500 .360 RH Alloy 4131 786 .088 - 101
0631 - 0200                    
SBN7645 SBN Single Circuit .631 .200 .500 RH SS 1149 140 .035 - 102
SBN10325 SBN Single Circuit [Round] .631 .200 .500 RH Alloy 6384 815 .035 - 102
SBN10409 SBN Single Circuit [Round] .631 .200 .500 LH Alloy 6384 815 .035 - 102
SBN10263 SBN Internal Return .631 .200 .500 RH Alloy 5250 712 .035 - 103
SBN10264 SBN Internal Return .631 .200 .500 LH Alloy 5250 712 .035 - 103
SEL10408 SEL Adjustable Preload .631 .200 .500 RH Alloy 6384 815 .035 78 - 233 103
SEL10410 SEL Adjustable Preload .631 .200 .500 LH Alloy 6384 815 .035 78 - 233 103
0631 - 0500                    
SBN10113 SBN Double Circuit .631 .500 .500 RH Alloy 5565 960 .088 - 106
SEL10182 SEL Adjustable Preload .631 .500 .500 RH Alloy 5565 960 .088 96 - 288 106
0631 - 1000                    
SBN10392 SBN Double Circuit .631 .500 .500 RH Alloy 5565 960 .088 - 106
0750 - 0200                    
SBN7201 SBN Single Circuit .750 .200 .602 RH Alloy 8569 1100 .035 - 107
SBN7202 SBN Double Circuit .750 .200 .602 RH Alloy 17138 2200 .035 - 107
SEL10057 SEL Adjustable Preload .750 .200 .602 RH Alloy 17138 2200 .035 220 - 660 107
0750 - 0500                    
SBN7500 SBN Double Circuit .750 .500 .602 RH Alloy 17425 2723 .088 - 109
SEL10058 SEL Adjustable Preload .750 .500 .602 RH Alloy 17425 2723 .088 272 - 817 109
0875 - 0200                    
SBN8277 SBN Double Circuit .875 .200 .735 RH Alloy 18063 1942 .035 - 110
SAR3040 SAR Adjustable Preload .875 .200 .735 RH Alloy 9482 971 .035 97 - 291 110
1000 - 0250                    
SBN10466 SBN Single Circuit 1.00 .250 .820 RH Alloy 13913 1612 .044 - 113
SBN10468 SBN Single Circuit 1.00 .250 .820 LH Alloy 13913 1612 .044 - 113
SBN10470 SBN Single Circuit 1.00 .250 .820 RH SS 2504 290 .044 - 113
SBN10472 SBN Double Circuit 1.00 .250 .820 RH Alloy 27826 3224 .044 - 113
SBN8278 SBN Double Circuit Flanged 1.00 .250 .820 RH Alloy 27826 3224 .044 - 113
SBN8284 SBN Double Circuit Flanged 1.00 .250 .820 LH Alloy 27826 3224 .044 - 113
SEL10474 SEL Adjustable Preload 1.00 .250 .820 RH Alloy 13913 1612 .044 330 114
SEL10477 SEL Adjustable Preload 1.00 .250 .820 LH Alloy 13913 1612 .044 330 114
SAR3041 SAR Adjustable Preload 1.00 .250 .820 RH Alloy 13913 1612 .044 330 114
1000 - 0500                    
SBN1050 SBN Double Circuit 1.00 .500 .820 RH Alloy 25250 3440 .088 - 116
SEL10066 SEL Adjustable Preload 1.00 .500 .820 RH Alloy 25250 3440 .088 272 - 817 116
1000 - 1000                    
SBN10461 SBN Double Circuit Flanged 1.00 1.00 .820 RH Alloy 11925 2142 .177 - 117
SEL10462 SEL Adjustable Preload 1.00 1.00 .820 RH Alloy 11925 2142 .177 300 117
1150 - 0200                    
SBN1566 SBN Double Circuit Flanged 1.150 .200 1.015 RH Alloy 26180 2370 .035 - 118
SBN0207 SBN Double Circuit Flanged 1.150 .200 1.015 LH Alloy 26180 2370 .035 - 118
SEL4270 SEL Adjustable Preload 1.150 .200 1.015 RH Alloy 13090 1185 .035 240 118
SEL0206 SEL Adjustable Preload 1.150 .200 1.015 LH Alloy 13090 1185 .035 240 118
SAR3042 SAR Adjustable Preload 1.150 .200 1.015 RH Alloy 13090 1185 .035 240 118
1171 - 0413                    
SBN7511 SBN Double Circuit 1.171 .413 .870 RH Alloy 22917 3894 .073 - 120
1250 - 0200                    
SBN10187 SBN Double Circuit w/Wipper 1.250 .200 1.115 RH Alloy 34688 3336 .035 - 121
SBN10189 SBN Double Circuit w/Wipper 1.250 .200 1.115 LH Alloy 34688 3336 .035 - 121
1250 - 0500                    
SBN10104 SBN Double Circuit w/Wipper 1.250 .500 1.050 LH Alloy 17235 2745 .088 - 123
1500 - 0250                    
SBN9587 SBN Double Circuit Flanged 1.500 .250 1.320 RH Alloy 44030 4198 .044 - 126
SBN1990 SBN Double Circuit Flanged 1.500 .250 1.320 LH Alloy 44030 4198 .044 - 126
SEL4271 SEL Adjustable Preload 1.500 .250 1.320 RH Alloy 44030 4198 .044 920 126
SEL4573 SEL Adjustable Preload 1.500 .250 1.320 LH Alloy 44030 4198 .044 920 126
SAR3043 SAR Adjustable Preload 1.500 .250 1.320 RH Alloy 44030 4198 .044 920 126
1500 - 0473                    
SBN7513 SBN Double Circuit 1.500 .437 1.140 RH Alloy 57770 10050 .084 - 128
SBN8345 SBN Double Circuit Keyed 1.500 .437 1.140 RH Alloy 57770 10050 .084 - 128
1500 - 0500                    
SBN1550 SBN Double Circuit 1.500 .500 1.174 RH Alloy 97696 12320 .088 - 129
SEL10072 SEL Adjustable Preload 1.500 .500 1.174 RH Alloy 97696 12320 .088 1232 - 3696 129
1500 - 1000                    
SBN8280 SBN Double Circuit 1.500 1.000 1.140 RH Alloy 34662 7560 .177 - 131
SBN1995 SBN Double Circuit 1.500 1.000 1.140 LH Alloy 34662 7560 .177 - 131
SEL0698 SEL Adjustable Preload 1.500 1.000 1.140 RH Alloy 34662 7560 .177 1650 131
SEL0697 SEL Adjustable Preload 1.500 1.000 1.140 LH Alloy 34662 7560 .177 1650 131
1500 - 1875                    
SBN7564 SBN Double Circuit 1.500 1.875 1.188 RH Alloy 29895 7242 .332 - 132
SEL4272 SEL Adjustable Preload 1.500 1.875 1.188 RH Alloy 29895 7242 .332 1650 132
2250 - 0500