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 |
239.827 mm
|
Thread size |
|---|---|---|
|
6
|
Threads per inch | |
| d1 |
269.875 mm
|
Diameter locating side face |
| d2 |
264.744 mm
|
Pitch diameter threaded holes for locking clip |
| d3 |
max. 290.652 mm
|
Outside diameter |
| B |
34.392 mm
|
Width |
| B5 |
43.129 mm
|
Width including locking plate |
| b |
21.844 mm
|
Width locating slot |
| h |
9.779 mm
|
Depth locating slot |
| Mass lock nut |
5.62 kg
|
| Associated spanner |
TMFN 40-52
|
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