W lock washers are locking devices, used to secure AN and N lock nuts onto a shaft or adapter sleeve and prevent unintentional loosening. The lock washers engage a keyway in the shaft or adapter sleeve thread. They lock the nut in position when one of the washer tabs is bent into one of the slots in the outside diameter of the lock nut. A new lock washer should be used each time the corresponding lock nut is installed.
| d |
20.345 mm
|
Bore diameter |
|---|---|---|
| d1 |
29.337 mm
|
Side face diameter |
| d2 |
38.887 mm
|
Outside diameter over tabs |
| B |
0.813 mm
|
Thickness material |
| f |
4.47 mm
|
Width inner tab |
| M |
18.517 mm
|
Inside dimension under inner tab |
| V |
1.575 mm
|
Projection of key tang |
| Mass lock washer |
0.004 kg
|
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