Shaft Locknuts

Shaft Locknuts

Most commonly used locknuts, made of low carbon steel. Requires a lockwasher and the cutting of a keyway in the shaft. The N-AN series through size AN-26 meets the many exacting requirements for good operation of tapered roller bearings. However, If a higher precision series is needed, please contact us.

Part
Number

Bearing Bore
Nominal

Thread
per Inch

"O.D."
+.005 / -.015

"T"
Thickness

"F.D."
Face Dia.

Mating
Lockwasher

N-00

0.3937

32

3/4"

0.209 / 0.229

0.605 / 0.625

W-00

N-01

0.4724

32

7/8"

0.303 / 0.323

0.699 / 0.719

W-01

N-02

0.5906

32

1"

0.303 / 0.323

0.793 / 0.813

W-02

N-03

0.6693

32

1-1/8"

0.334 / 0.354

0.918 / 0.938

W-03

N-04

0.7874

32

1-3/8"

0.365 / 0.385

1.105 / 1.125

W-04

N-05

0.9843

32

1-9/16"

0.396 / 0.416

1.261 / 1.281

W-05

N-06

1.1811

18

1-3/4"

0.396 / 0.416

1.480 / 1.500

W-06

N-07

1.3780

18

2-1/16"

0.428 / 0.448

1.793 / 1.813

W-07

N-08

1.5748

18

2-1/4"

0.428 / 0.448

1.980 / 2.000

W-08

N-09

1.7717

18

2-17/32"

0.428 / 0.448

2.261 / 2.281

W-09

N-10

1.9685

18

2-11/16"

0.490 / 0.510

2.418 / 2.438

W-10

N-11

2.1654

18

2-31/32"

0.490 / 0.510

2.636 / 2.656

W-11

N-12

2.3622

18

3-5/32"

0.521 / 0.541

2.824 / 2.844

W-12

N-13

2.5591

18

3-3/8"

0.553 / 0.573

3.043 / 3.063

W-13

N-14

2.7559

18

3-5/8"

0.553 / 0.573

3.283 / 3.313

W-14

AN-15

2.9528

12

3-7/8"

0.584 / 0.604

3.533 / 3.563

W-15

AN-16

3.1496

12

4-5/32"

0.584 / 0.604

3.814 / 3.844

W-16

AN-17

3.3465

12

4-13/32"

0.615 / 0.635

4.001 / 4.031

W-17

AN-18

3.5433

12

4-21/32"

0.678 / 0.698

4.251 / 4.281

W-18

AN-19

3.7402

12

4-15/16"

0.709 / 0.729

4.533 / 4.563

W-19

AN-20

3.9370

12

5-3/16"

0.735 / 0.760

4.783 / 4.813

W-20

AN-21

4.1339

12

5-7/16"

0.735 / 0.760

4.970 / 5.000

W-21

AN-22

4.3307

12

5-23/32"

0.766 / 0.791

5.251 / 5.281

W-22

AN-24

4.7244

12

6-1/8"

0.798 / 0.823

5.658 / 5.688

W-24

AN-26

5.1181

12

6-3/4"

0.860 / 0.885

6.158 / 6.188

W-26

AN-28

5.5118

12

7-3/32"

0.923 / 0.948

6.501 / 6.531

W-28

AN-30

5.9055

12

7-11/16"

0.954 / 0.979

7.033 / 7.063

W-30

AN-32

6.2992

8

8-1/16"

1.016 / 1.041

7.398 / 7.438

W-32

AN-34

6.6929

8

8-21/32"

1.048 / 1.073

7.991 / 8.031

W-34

AN-36

7.0866

8

9-1/16"

1.079 / 1.104

8.335 / 8.375

W-36

AN-38

7.4803

8

9-15/32"

1.110 / 1.135

8.741 / 8.781

W-38

AN-40

7.8740

8

9-27/32"

1.173 / 1.198

9.116 / 9.156

W-40

N-44

8.6614

8

11"

1.230 / 1.260

9.803 / 9.841

W-44