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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.
 

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STANDARD LOCKNUT AND LOCKNUT SHAFT INCh DIMENSIONS
Standard Locknuts
Standard Locknut Shaft
EXCEL Self-Aligning Linear Bearings PDF Print Friendly Page
Locknut Dimensions PDF
LOCKNUT INFORMATION

STANDARD LOCKNUTS – (Series N-00) for Ball Bearings and Cylindrical and Spherical Roller Bearings. Inch Design
LockNut Number

Thds.
per
Inch

Thread Minor
Dia.

 Thread Pitch
Dia. 		Thread Major
Dia. d

Outside
Dia.
C

Face Diameter
E

Slot Dimension Thickness
D
Width
G 		Height
H
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Max. Min. Max.

N-00

32

0.3572

0.3606

0.3707

0.3733

0.391

0.755

.605

.625

.120

.130

.073

.209

.229

N-01

32

0.4352

0.4386

0.4487

0.4513

0.469

0.880

.699

.719

.120

.130

.073

.303

.323

N-02

32

0.5522

0.5556

0.5657

0.5687

0.586

1.005

.793

.813

.120

.130

.104

.303

.323

N-03

32

0.6302

0.6336

0.6437

0.6467

0.664

1.130

.918

.938

.120

.130

.104

.334

.354

N-04

32

0.7472

0.7506

0.7607

0.7641

0.781

1.380

1.105

1.125

.178

.198

.104

.365

.385

N-05

32

0.9352

0.9386

0.9487

0.9521

0.969

1.568

1.261

1.281

.178

.198

.104

.396

.416

N-06

18

1.1129

1.1189

1.1369

1.1409

1.173

1.755

1.480

1.500

.178

.198

.104

.396

.416

N-07

18

1.3159

1.3219

1.3399

1.3439

1.376

2.068

1.793

1.813

.178

.198

.104

.428

.448

N-08

18

1.5029

1.5089

1.5269

1.5314

1.563

2.255

1.980

2.000

.240

.260

.104

.428

.448

N-09

18

1.7069

1.7129

1.7309

1.7354

1.767

2.536

2.261

2.281

.240

.260

.104

.428

.448

N-10

18

1.9069

1.9129

1.9309

1.9354

1.967

2.693

2.418

2.438

.240

.260

.104

.490

.510

N-11

18

2.0969

2.1029

2.1209

2.1260

2.157

2.974

2.636

2.656

.240

.260

.135

.490

.510

N-12

18

2.2999

2.3059

2.3239

2.3290

2.360

3.161

2.824

2.844

.240

.260

.135

.521

.541

N-13

18

2.4879

2.4949

2.5119

2.5170

2.548

3.380

3.043

3.063

.240

.260

.135

.553

.573

N-14

18

2.6909

2.6969

2.7149

2.7200

2.751

3.630

3.283

3.313

.240

.260

.135

.553

.573

AN-15

12

2.8428

2.8518

2.8789

2.8843

2.933

3.880

3.533

3.563

.360

.385

.135

.584

.604
All dimensions in inches. For dimensions in millimeters, multiply inch values, except thread diameters, by 25.4 and round result to two decimal places. Threads are American National form, Class 3. Typical steels for locknuts are: AISI, C1015, C1018, C1020, C1025, C1035, C1117, C1118, C1212, C1213, and C1215. Minimum hardness, tensile strength, yield strength and elongation are given in ANSI/ABMA 8.2-1991 which also lists larger sizes of locknuts.

STANDARD SHAFTS FOR LOCKNUTS – (Series N-00) for Ball Bearings and Cylindrical and Spherical Roller Bearings - Inch Design

Locknut
Number

Bearing
Bore

V2

Threadsa

Relief

Keyway

No.
per
inch

Major
Dia.

Pitch
Dia.

Minor
Dia.

Length
L

Dia.
A

Width
W

Depth
H

Width
S

M

Max.

Max.

Max.

Max.

Max.

Max.

Max.

Min.

Min.

Min.

N-00

0.3937

0.312

32

0.391

0.3707

0.3527

0.297

0.3421

0.078

0.062

0.125

0.094

N-01

0.4724

0.406

32

0.469

0.4487

0.4307

0.391

0.4201

0.078

0.062

0.125

0.094

N-02

0.5906

0.500

32

0.586

0.5657

0.5477

0.391

0.5371

0.078

0.078

0.125

0.094

N-03

0.6693

0.562

32

0.664

0.6437

0.6257

0.422

0.6151

0.078

0.078

0.125

0.094

N-04

0.7874

0.719

32

0.781

0.7607

0.7427

0.453

0.7321

0.078

0.078

0.188

0.094

N-05

0.9843

0.875

32

0.969

0.9487

0.9307

0.484

0.9201

0.078

0.094

0.188

0.125

N-06

1.1811

1.062

18

1.173

1.1369

1.1048

0.484

1.0942

0.109

0.094

0.188

0.125

N-07

1.3780

1.250

18

1.376

1.3399

1.3078

0.516

1.2972

0.109

0.094

0.188

0.125

N-08

1.5748

1.469

18

1.563

1.5269

1.4948

0.547

1.4842

0.109

0.094

0.312

0.125

N-09

1.7717

1.688

18

1.767

1.7309

1.6988

0.547

1.6882

0.141

0.094

0.312

0.156

N-10

1.9685

1.875

18

1.967

1.9309

1.8988

0.609

1.8882

0.141

0.094

0.312

0.156

N-11

2.1654

2.062

18

2.157

2.1209

2.0888

0.609

2.0782

0.141

0.125

0.312

0.156

N-12

2.3622

2.250

18

2.360

2.3239

2.2918

0.641

2.2812

0.141

0.125

0.312

0.156

N-13

2.5591

2.438

18

2.548

2.5119

2.4798

0.672

2.4692

0.141

0.125

0.312

0.156

N-14

2.7559

2.625

18

2.751

2.7149

2.6828

0.672

2.6722

0.141

0.125

0.312

0.250

AN-15

2.9528

2.781

12

2.933

2.8789

2.8308

0.703

2.8095

0.172

0.125

0.312

0.250
AN-16 3.1496 3.000 12 3.137 3.0829 3.0348 0.703 3.0135 0.172 0.125 0.375 0.250
a Threads are American National form Class 3. All dimensions in inches. For dimensions in millimeters, multiply inch values, except thread diameters, by 25.4 and round result to two decimal places. For larger sizes, see ANSI/ABMA 8.2-1991


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NOOK INDUSTRIES, INC. - An ISO 9001:2000 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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