Shaft Lockwashers
Shaft Lockwashers
 Most commonly used and least expensive. Note that the key is bent in the opposite direction of the tangs. These lockwashers are used with locknut series "N / AN".

Part
Number

Bearing Bore
Nominal

Free Outside
Diameter

Inside Diameter
Min. / Max.

Thickness
Min. / Max.

Face Diameter
Min. / Max.

Tangs

Mating
Locknut

W-00

0.3937

7/8

0.406 / 0.421

0.040 / 0.050

0.625 / 0.640

9

N-00

W-01

0.4724

1-1/64

0.484 / 0.499

0.040 / 0.050

0.719 / 0.734

9

N-01

W-02

0.5906

1-5/32

0.601 / 0.616

0.040 / 0.050

0.813 / 0.827

11

N-02

W-03

0.6693

1-21/64

0.679 / 0.694

0.040 / 0.050

0.938 / 0.953

11

N-03

W-04

0.7874

1-17/32

0.801 / 0.816

0.040 / 0.050

1.125 / 1.140

11

N-04

W-05

0.9843

1-23/32

0.989 / 1.009

0.050 / 0.062

1.281 / 1.296

13

N-05

W-06

1.1811

1-59/64

1.193 / 1.213

0.050 / 0.062

1.500 / 1.515

13

N-06

W-07

1.3780

2-1/4

1.396 / 1.416

0.050 / 0.062

1.813 / 1.827

15

N-07

W-08

1.5748

2-15/32

1.583 / 1.603

0.060 / 0.074

2.000 / 2.030

15

N-08

W-09

1.7717

2-47/64

1.792 / 1.817

0.060 / 0.074

2.281 / 2.311

17

N-09

W-10

1.9685

2-59/64

1.992 / 2.017

0.060 / 0.074

2.438 / 2.468

17

N-10

W-11

2.1654

3-7/64

2.182 / 2.207

0.060 / 0.074

2.656 / 2.686

17

N-11

W-12

2.3622

3-11/32

2.400 / 2.425

0.060 / 0.074

2.844 / 2.874

17

N-12

W-13

2.5591

3-37/64

2.588 / 2.613

0.060 / 0.074

3.063 / 3.093

19

N-13

W-14

2.7559

3-53/64

2.791 / 2.816

0.060 / 0.074

3.313 / 3.343

19

N-14

W-15

2.9528

4-7/64

2.973 / 3.003

0.070 / 0.082

3.563 / 3.593

19

AN-15

W-16

3.1496

4-3/8

3.177 / 3.207

0.070 / 0.082

3.844 / 3.874

19

AN-16

W-17

3.3465

4-5/8

3.395 / 3.425

0.070 / 0.082

4.031 / 4.061

19

AN-17

W-18

3.5433

4-15/16

3.582 / 3.612

0.090 / 0.101

4.281 / 4.326

19

AN-18

W-19

3.7402

5-7/32

3.800 / 3.830

0.090 / 0.101

4.563 / 4.607

19

AN-19

W-20

3.9370

5-1/2

3.988 / 4.018

0.090 / 0.101

4.813 / 4.858

19

AN-20

W-21

4.1339

5-45/64

4.192 / 4.222

0.090 / 0.101

5.000 / 5.045

19

AN-21

W-22

4.3307

6-1/16

4.395 / 4.425

0.120 / 0.140

5.281 / 5.326

19

AN-22

W-24

4.7244

6-15/32

4.801 / 4.831

0.120 / 0.140

5.688 / 5.733

19

AN-24

W-26

5.1181

7-1/32

5.191 / 5.226

0.120 / 0.140

6.188 / 6.233

19

AN-26

W-28

5.5118

7-7/16

5.582 / 5.617

0.120 / 0.140

6.531 / 6.576

19

AN-28

W-30

5.9055

8-1/16

5.983 / 6.018

0.148 / 0.164

7.063 / 7.123

19

AN-30

W-32

6.2992

8-7/16

6.389 / 6.424

0.148 / 0.164

7.438 / 7.498

19

AN-32

W-34

6.6929

9-1/16

6.764 / 6.799

0.148 / 0.164

8.031 / 8.091

19

AN-34

W-36

7.0866

9-7/16

7.171 / 7.206

0.148 / 0.164

8.375 / 8.435

19

AN-36

W-38

7.4803

9-7/8

7.577 / 7.612

0.148 / 0.164

8.781 / 8.841

19

AN-38

W-40

7.8740

10-5/16

7.982 / 8.017

0.148 / 0.164

9.156 / 9.216

19

AN-40

W-44

8.6614

11-7/16

8.701 / 8.736

0.148 / 0.164

9.875 / 9.930

19

N-44