Inch Accessories - Locknut and Lockwasher On The Timken Company

The chart below shows dimensions for locknuts and lockwashers used in the mounting of straight bore bearings on shafts.
Other dimensions and tolerances related to shaft configurations are also shown.
Dimensions are presented according to bearing bore size and are applicable to bearings in the various series (e.g., 222 and 223 etc.).

Inch Assessories - Locknut and Lockwasher2

Part Number	Bearing Bore	Major Diameter	Threads No. per Inch	Diameter S-3	Locknut	Lockwasher	CAD
N 07-W 07	N/A	N/A 1.376 in	N/A 18	N/A 1.25 in	N/A N 07	N/A W 07	N/A
N 08-W 08	N/A	N/A 1.563 in	N/A 18	N/A 1.4375 in	N/A N 08	N/A W 08	N/A
N 09-W 09	N/A	N/A 1.767 in	N/A 18	N/A 1.6875 in	N/A N 09	N/A W 09	N/A
N 10-W 10	N/A	N/A 1.967 in	N/A 18	N/A 1.875 in	N/A N 10	N/A W 10	N/A
N 11-W 11	N/A	N/A 2.157 in	N/A 18	N/A 2.0625 in	N/A N 11	N/A W 11	N/A
N 12-W 12	N/A	N/A 2.360 in	N/A 18	N/A 2.25 in	N/A N 12	N/A W 12	N/A
N 13-W 13	N/A	N/A 2.548 in	N/A 18	N/A 2.4375 in	N/A N 13	N/A W 13	N/A
N 14-W 14	N/A	N/A 2.751 in	N/A 18	N/A 2.625 in	N/A N 14	N/A W 14	N/A
AN 15-W 15	N/A	N/A 2.933 in	N/A 12	N/A 2.8125 in	N/A AN 15	N/A W 15	N/A
AN 16-W 16	N/A	N/A 3.137 in	N/A 12	N/A 3 in	N/A AN 16	N/A W 16	N/A
AN 17-W 17	N/A	N/A 3.34 in	N/A 12	N/A 3.1875 in	N/A AN 17	N/A W 17	N/A
AN 18-W 18	N/A	N/A 3.527 in	N/A 12	N/A 3.375 in	N/A AN 18	N/A W 18	N/A
AN 19-W 19	N/A	N/A 3.73 in	N/A 12	N/A 3.5625 in	N/A AN 19	N/A W 19	N/A
AN 20-W 20	N/A	N/A 3.918 in	N/A 12	N/A 3.8125 in	N/A AN 20	N/A W 20	N/A
AN 21-W 21	N/A	N/A 4.122 in	N/A 12	N/A 3.9375 in	N/A AN 21	N/A W 21	N/A
AN 22-W 22	N/A	N/A 4.325 in	N/A 12	N/A 4.1875 in	N/A AN 22	N/A W 22	N/A
AN 24-W 24	N/A	N/A 4.716 in	N/A 12	N/A 4.5625 in	N/A AN 24	N/A W 24	N/A
AN 26-W 26	N/A	N/A 5.106 in	N/A 12	N/A 4.9375 in	N/A AN 26	N/A W 26	N/A
AN 28-W 28	N/A	N/A 5.497 in	N/A 12	N/A 5.3125 in	N/A AN 28	N/A W 28	N/A
AN 30-W 30	N/A	N/A 5.888 in	N/A 12	N/A 5.75 in	N/A AN 30	N/A W 30	N/A
AN 32-W 32	N/A	N/A 6.284 in	N/A 8	N/A 6 1/16 in	N/A AN 32	N/A W 32	N/A
AN 34-W 34	N/A	N/A 6.659 in	N/A 8	N/A 6.4375 in	N/A AN 34	N/A W 34	N/A
AN 36-W 36	N/A	N/A 7.066 in	N/A 8	N/A 6.875 in	N/A AN 36	N/A W 36	N/A
AN 38-W 38	N/A	N/A 7.472 in	N/A 8	N/A 7.25 in	N/A AN 38	N/A W 38	N/A
AN 40-W 40	N/A	N/A 7.847 in	N/A 8	N/A 7.625 in	N/A AN 40	N/A W 40	N/A

Part Number

Bearing Bore

Major Diameter

Threads No. per Inch

Diameter S-3

Locknut

Lockwasher

CAD

N 07-W 07

N/A

N/A 1.376 in

N/A 18

N/A 1.25 in

N/A N 07

N/A W 07

N/A

N 08-W 08

N/A

N/A 1.563 in

N/A 18

N/A 1.4375 in

N/A N 08

N/A W 08

N/A

N 09-W 09

N/A

N/A 1.767 in

N/A 18

N/A 1.6875 in

N/A N 09

N/A W 09

N/A

N 10-W 10

N/A

N/A 1.967 in

N/A 18

N/A 1.875 in

N/A N 10

N/A W 10

N/A

N 11-W 11

N/A

N/A 2.157 in

N/A 18

N/A 2.0625 in

N/A N 11

N/A W 11

N/A

N 12-W 12

N/A

N/A 2.360 in

N/A 18

N/A 2.25 in

N/A N 12

N/A W 12

N/A

N 13-W 13

N/A

N/A 2.548 in

N/A 18

N/A 2.4375 in

N/A N 13

N/A W 13

N/A

N 14-W 14

N/A

N/A 2.751 in

N/A 18

N/A 2.625 in

N/A N 14

N/A W 14

N/A

AN 15-W 15

N/A

N/A 2.933 in

N/A 12

N/A 2.8125 in

N/A AN 15

N/A W 15

N/A

AN 16-W 16

N/A

N/A 3.137 in

N/A 12

N/A 3 in

N/A AN 16

N/A W 16

N/A

AN 17-W 17

N/A

N/A 3.34 in

N/A 12

N/A 3.1875 in

N/A AN 17

N/A W 17

N/A

AN 18-W 18

N/A

N/A 3.527 in

N/A 12

N/A 3.375 in

N/A AN 18

N/A W 18

N/A

AN 19-W 19

N/A

N/A 3.73 in

N/A 12

N/A 3.5625 in

N/A AN 19

N/A W 19

N/A

AN 20-W 20

N/A

N/A 3.918 in

N/A 12

N/A 3.8125 in

N/A AN 20

N/A W 20

N/A

AN 21-W 21

N/A

N/A 4.122 in

N/A 12

N/A 3.9375 in

N/A AN 21

N/A W 21

N/A

AN 22-W 22

N/A

N/A 4.325 in

N/A 12

N/A 4.1875 in

N/A AN 22

N/A W 22

N/A

AN 24-W 24

N/A

N/A 4.716 in

N/A 12

N/A 4.5625 in

N/A AN 24

N/A W 24

N/A

AN 26-W 26

N/A

N/A 5.106 in

N/A 12

N/A 4.9375 in

N/A AN 26

N/A W 26

N/A

AN 28-W 28

N/A

N/A 5.497 in

N/A 12

N/A 5.3125 in

N/A AN 28

N/A W 28

N/A

AN 30-W 30

N/A

N/A 5.888 in

N/A 12

N/A 5.75 in

N/A AN 30

N/A W 30

N/A

AN 32-W 32

N/A

N/A 6.284 in

N/A 8

N/A 6 1/16 in

N/A AN 32

N/A W 32

N/A

AN 34-W 34

N/A

N/A 6.659 in

N/A 8

N/A 6.4375 in

N/A AN 34

N/A W 34

N/A

AN 36-W 36

N/A

N/A 7.066 in

N/A 8

N/A 6.875 in

N/A AN 36

N/A W 36

N/A

AN 38-W 38

N/A

N/A 7.472 in

N/A 8

N/A 7.25 in

N/A AN 38

N/A W 38

N/A

AN 40-W 40

N/A

N/A 7.847 in

N/A 8

N/A 7.625 in

N/A AN 40

N/A W 40

N/A