N lock nuts are used to locate bearings onto a shaft. They have inch threads and four, equally spaced slots around their circumference to accommodate a spanner. They should be locked by a lock washer or locking plate to prevent unintentional loosening. N lock nuts can be reused, provided they are not damaged.
| G |
219.151 mm
|
Thread size |
|---|---|---|
|
8
|
Threads per inch | |
| d1 |
250.012 mm
|
Diameter locating side face |
| d3 |
max. 279.527 mm
|
Outside diameter |
| B |
32.004 mm
|
Width |
| b |
24.892 mm
|
Width locating slot |
| h |
12.954 mm
|
Depth locating slot |
| Axial load carrying capacity, static |
930 kN
|
| Mass lock nut |
5.07 kg
|
| Associated spanner |
TMFN 40-52
|
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