The N030 to N096 Series of Locknuts consists of heavy-duty, right hand thread bearing locknuts. Inch design for ball bearings, shafts, and cylindrical and tapered roller bearings. These locknuts are not self-locking and require an accompanying lockwasher. Consult the table below to find dimensions of each N0 series locknut and its compatible lockwasher.
| Slot Dimensions | Threads | Counterbore of Threads | Tapped Holes | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R.E.C. Locknut Number | Outside Diam. (C) | Face Diam. (E) | Thickness | Dia. (F) | Slot Width (G) | Slot Nom. Depth (H) | TPI | Major Diam Min. | Diam. | Depth | B.C. Dial (Y) | Tap Size | Depth | Compatible Lockwasher | |
| N030 | 7.130 | 6.688 | 0.979 | .610 | .229 | 12 | 5.888 | W030 | Request for Quote | ||||||
| N040 | 9.443 | 8.750 | 1.198 | .735 | .323 | 8 | 7.847 | W040 | Request for Quote | ||||||
| N044 | 10.255 | 9.531 | 1.260 | .860 | .385 | 8 | 8.628 | W044 | Request for Quote | ||||||
| N048 | 11.432 | 10.605 | 1.339 | 10.682 | .872 | .375 | 6 | 9.442 | 10.438 | 5/16-18 | .625 | W048 | Request for Quote | ||
| N052 | 12.182 | 11.386 | 1.401 | 11.432 | .872 | .375 | 6 | 10.192 | 11.313 | 5/16-18 | .625 | W052 | Request for Quote | ||
| N056 | 12.995 | 12.199 | 1.495 | 12.245 | .995 | .375 | 6 | 11.004 | 12.125 | 5/16-18 | .625 | W056 | Request for Quote | ||
| N060 | 14.182 | 13.199 | 1.558 | 13.182 | .995 | .500 | 6 | 11.785 | 13.125 | 3/8-16 | .750 | W060 | Request for Quote | ||
| N064 | 14.995 | 14.011 | 1.651 | 13.995 | .995 | .500 | 6 | 12.562 | 13.875 | 3/8-16 | .750 | W064 | Request for Quote | ||
| N068 | 15.745 | 14.793 | 1.776 | 14.745 | .995 | .500 | 5 | 13.339 | 13.370 | .405 | 14.750 | 3/8-16 | .750 | W068 | Request for Quote |
| N072 | 16.495 | 15.480 | 1.776 | 15.495 | 1.245 | .500 | 5 | 14.170 | 14.201 | .405 | 15.500 | 3/8-16 | .750 | W072 | Request for Quote |
| N076 | 17.745 | 16.605 | 1.901 | 15.558 | 1.245 | .594 | 5 | 14.957 | 14.988 | .405 | 16.500 | 1/2-13 | .875 | W076 | Request for Quote |
| N080 | 18.495 | 17.418 | 2.058 | 17.308 | 1.245 | .594 | 5 | 15.745 | 15.776 | .405 | 17.250 | 1/2-13 | .875 | W080 | Request for Quote |
| N084 | 19.308 | 18.168 | 2.015 | 18.120 | 1.370 | .594 | 5 | 16.532 | 16.563 | .405 | 18.125 | 1/2-13 | .875 | W084 | Request for Quote |
| N088 | 20.495 | 19.230 | 2.370 | 19.308 | 1.370 | .594 | 5 | 17.319 | 17.350 | .405 | 19.125 | 5/8-11 | 1.125 | W088 | Request for Quote |
| N092 | 21.245 | 20.668 | 2.370 | 20.058 | 1.370 | .594 | 5 | 18.107 | 18.138 | .405 | 20.000 | 5/8-11 | 1.125 | W092 | Request for Quote |
| N096 | 22.058 | 20.730 | 2.370 | 20.870 | 1.495 | .594 | 5 | 18.894 | 18.925 | .405 | 20.688 | 5/8-11 | 1.125 | W096 | Request for Quote |
*Please Submit an RFQ to confirm current prices. Some prices may be out of date.