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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.
 

ACME & LEAD
SCREW ASSEMBLIES

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Inch Acme Screw Assemblies

Metric Lead Screw Assemblies

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Acme Screw Characteristics

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Reference Number

Lubrication

Twin-Lead Assembly

Modular Assembly

Anti-Backlash Nut

Application Examples
DIGITAL EDITION
Linear Motion Design Guide:
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catalog online.
     
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ACME SCREW AND NUT ASSEMBLIES
Inch Acme Screw Assemblies
Acme Screw and Nut Assemblies PDF Print Friendly Page
Acme Screw and Nut Assemblies PDF
 
CONVENIENCE AND MODULARITY


These PowerAc™ modular assemblies are pre-engineered and feature a 2-C acme screw, steel mounting flange with choice of nut material, one single and one double bearing EZZE-MOUNT™ support. One end of the mounted screw is provided with a drive shaft and keyway for coupling the assembly to a drive mechanism.

Use the reference number below to select the assembly that meets the design requirement. See the EZZE-MOUNT™ end bearing support information and End Machining information sections.

EXAMPLE:

052 - RA / EK / CN / 29.62 / 20052 / SF

Is a 1/2"-2 Acme Right Hand Alloy Steel Rolled Screw with a Universal Double and a Universal Single EZZE-MOUNT™ overall Length of 29.62" with a 1/2"-2 Right Hand Acme Nut.
Acme Assembly Dimensions

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DIA-TPI
BOLT
CENTER
"A"
O.A.L.
"B"
REFERENCE NUMBER
BRONZE NUT
REFERENCE NUMBER
PLASTIC NUT
Page
7/16-2
2.75" + Travel
4.62" + Travel
—
042 - RA / EK / CN / "B" / 30042 / SF
 22
7/16-4
2.75" + Travel
4.62" + Travel
044 - RA / EK / CN / "B" / 20044 / SF
044 - RA / EK / CN / "B" / 30044 / SF
 22
1/2-1
2.87" + Travel
5.23" + Travel
—
051 - RA / EK / CN / "B" / 30051 / SF
 23
1/2-2
2.87" + Travel
5.32" + Travel
052 - RA / EK / CN / "B" / 20052 / SF
052 - RA / EK / CN / "B" / 30052 / SF
 23
1/2-4
2.75" + Travel
4.62" + Travel
054 - RA / EK / CN / "B" / 20054 / SF
054 - RA / EK / CN / "B" / 30054 / SF
 23
1/2-5
2.87" + Travel
5.23" + Travel
055 - RA / EK / CN / "B" / 20055 / SF
055 - RA / EK / CN / "B" / 30055 / SF
 23
1/2-10
2.87" + Travel
5.23" + Travel
050 - RA / EK / CN / "B" / 20050 / SF
050 - RA / EK / CN / "B" / 30050 / SF
 23
5/8 - 2 2/3
3.12" + Travel
5.57" + Travel
063 - RA / EK / CN / "B" / 20063 / SF
063 - RA / EK / CN / "B" / 30063 / SF
 24
5/8-5
3.12" + Travel
5.48" + Travel
065 - RA / EK / CN / "B" / 20065 / SF
065 - RA / EK / CN / "B" / 30065 / SF
 24
5/8-8
3.12" + Travel
5.57" + Travel
068 - RA / EK / CN / "B" / 20068 / SF
068 - RA / EK / CN / "B" / 30068 / SF
 24
5/8-10
3.38" + Travel
6.48" + Travel
060 - RA / EK / CN / "B" / 20060 / SF
060 - RA / EK / CN / "B" / 30060 / SF
 24
3/4-2
3.37" + Travel
5.82" + Travel
072 - RA / EK / CN / "B" / 20072 / SF
072 - RA / EK / CN / "B" / 30072 / SF
 25
3/4-3
3.37" + Travel
5.82" + Travel
073 - RA / EK / CN / "B" / 20073 / SF
073 - RA / EK / CN / "B" / 30073 / SF
 25
3/4-5
3.37" + Travel
5.82" + Travel
075 - RA / EK / CN / "B" / 20075 / SF
075 - RA / EK / CN / "B" / 30075 / SF
 25
3/4-6
3.37" + Travel
5.82" + Travel
076 - RA / EK / CN / "B" / 20076 / SF
076 - RA / EK / CN / "B" / 30076 / SF
 25
3/4-10
3.63" + Travel
6.97" + Travel
070 - RA / EK / CN / "B" / 20070 / SF
070 - RA / EK / CN / "B" / 30070 / SF
 25
7/8-6
3.88" + Travel
7.25" + Travel
086 - RA / EK / CN / "B" / 20086 / SF
086 - RA / EK / CN / "B" / 30086 / SF
 26
1-1
4.22" + Travel
8.14" + Travel
111 - RA / EK / CN / "B" / 20111 / SF
111 - RA / EK / CN / "B" / 30111 / SF
 27
1-2
4.18" + Travel
7.45" + Travel
112 - RA / EK / CN / "B" / 20112 / SF
111 - RA / EK / CN / "B" / 30112 / SF
 27
1-4
4.18" + Travel
7.45" + Travel
104 - RA / EK / CN / "B" / 20114 / SF
112 - RA / EK / CN / "B" / 30114 / SF
 27
1-5
4.18" + Travel
7.45" + Travel
105 - RA / EK / CN / "B" / 20105 / SF
104 - RA / EK / CN / "B" / 30105 / SF
 27
1-6
4.18" + Travel
7.45" + Travel
106 - RA / EK / CN / "B" / 20106 / SF
105 - RA / EK / CN / "B" / 30106 / SF
 27
1-10
4.22" + Travel
8.14" + Travel
110 - RA / EK / CN / "B" / 20110 / SF
110 - RA / EK / CN / "B" / 30110 / SF
 27
1 1/8-5
4.18" + Travel
7.45" + Travel
115 - RA / EK / CN / "B" / 20115 / SF
115 - RA / EK / CN / "B" / 30115 / SF
 28
1 1/4-4
4.43" + Travel
7.70" + Travel
124 - RA / EK / CN / "B" / 20124 / SF
124 - RA / EK / CN / "B" / 30124 / SF
 29
1 1/4-5
4.69" + Travel
8.84" + Travel
125 - RA / EK / CN / "B" / 20125 / SF
125 - RA / EK / CN / "B" / 30125 / SF
 29
1 1/2-2
5.24" + Travel
9.84" + Travel
152 - RA / EK / CN / "B" / 20152 / SF
152 - RA / EK / CN / "B" / 30152 / SF
 30
11/2 -2 2/3
5.24" + Travel
9.39" + Travel
153 - RA / EK / CN / "B" / 20153 / SF
153 - RA / EK / CN / "B" / 30153 / SF
 30
1 1/2-4
5.24" + Travel
9.84" + Travel
154 - RA / EK / CN / "B" / 20154 / SF
154 - RA / EK / CN / "B" / 30154 / SF
 30
1 1/2-5
5.24" + Travel
9.84" + Travel
155 - RA / EK / CN / "B" / 20155 / SF
155 - RA / EK / CN / "B" / 30155 / SF
 30
1 1/2-10
5.24" + Travel
9.84" + Travel
150 - RA / EK / CN / "B" / 20150 / SF
150 - RA / EK / CN / "B" / 30150 / SF
 30

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NOOK INDUSTRIES, INC. - An ISO 9001:2008 Registered Company
4950 East 49th Street | Cleveland, Ohio 44125 | phone: (216) 271-7900 or (800) 321-7800 | fax: (216) 271-7020

Nook Industries provides a complete selection of inch and metric linear, mechanical and electromechanical actuators to the Linear Motion and Power Tarnsmission Industries. Modular Linear Actuators, Precision Profile Rails, Ball Screws, Roller Screws, Acme Screws, Lead Screws, Ball Splines, End Bearing Supports, Precision Locknuts, Worm Gear Screw Jacks, Electric Cylinder Actuators, HRC 60 Linear Shafting, Linear Slides, Bearings and Pillow Blocks.
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