Whittet-Higgins Company Datasheets for Precision Locknuts

Precision locknuts are used to secure bearings, gears, and other power transmission products to shafts and spindles.
Precision Locknuts: Learn more

Product Name Notes
Designed by WHITTET-HIGGINS to provide the necessary holding power in a more limited space, these thin section locknuts are generally 50% to 75% the thickness of the N-AN series of...
Designed with a left hand thread to assure greater locking power the thread winds in the direction opposite that in which the shaft of most assemblies rotate - a right...
Made of AMS-6382 steel hardened to a Rockwell reading of C26-32, each locknut is subjected to magnetic particle inspection to remove any with possible flaws in the metal. With these...
Most commonly used locknuts, made of low carbon steel, these locknuts are the least expensive but require a lockwasher and the cutting of a keyway in the shaft.
The BEARLOK versatile mechanical lock retaining nut adjusts, pre-loads, and secures bearings and other components to the shafts and spindles of power transmission assemblies with the most consistent precision squareness,...
The SHOELOK hardened steel mechanical lock retaining nut adjusts, pre-loads, and secures bearings and other components to the shafts and spindles of power assemblies with consistent precision squareness, axial location,...
This series meeting SAE-Society of the Automotive Engineers, ABEC-Annular Bearing Engineers Committee and AFBMA- Anti-Friction Bearing Manufacturers Association specifications offers a positive mechanical lock when combined with a lockwasher and...
This series of 2 piece CLAMP NUTS has the threads specified as FINE under the Unified system. These CLAMP NUTS better serve where a closer ratio is desired between the...
This series of 2 piece CLAMP NUTS has threads specified as COARSE under the Unified system of threads designed unifying the original American National design and the United Kingdom Whitworth...
This series of BEARHUG locknuts brings together the prevailing torque principle, especially its ability to dampen shock and vibration, the all inch design retaining nut of the NI series especially...
This series of BEARHUG Locknuts with a compression collar is fully interchangeable with the metric locknut made in accordance with ISO standard 2982 and usually identified with the KM prefix.
This series of BEARHUG Locknuts, with a nylon collar, is the mainstay of the precision self-locking nuts. It is designed for the same shaft dimensions as are the N and...
This series of CLAMP NUTS has sixteen threads per inch in accordance with the Unified Constant Pitch system of thread formulations. These sixteen threads are preferably designed in large diameters...
This series of CLAMP NUTS has the bearing threads specified to the ISO Metric standards, fits, and tolerances thus are fully interchangeable with metric retaining devices increasingly used in bearing...
This series of CLAMP NUTS has the threads specified as FINE under the Unified system. These CLAMP NUTS better serve where a closer ratio is desired between the static strength...
This series of CLAMP NUTS has threads specified as COARSE under the Unified system of threads designed unifying the original American National design and the United Kingdom Whitworth design for...
This series of locknuts with the National Fine Thread Series with 16 threads per inch made to Class 3B tolerances is designed to be used with bearings and other power...
This series of precision locknuts encompasses all the advantages of the NT series of smaller diameter, less thickness and lighter weight locknuts with benefits of greater precision to improve mating...
This series of precision locknuts has been established by Whittet-Higgins as a readily available product to meet the needs for exceptional precision which the N-AN locknuts to SAE, ABEC and...
This series of retaining nuts is specified by the Department of Defense as the Military Standard (MIL-N-21337) to limit the selection of nuts. Each locknut is subjected to magnetic particle...
This series was the continuance of the original SAE series developed at the turn of the century. In 1930, after years of use indicated the original thread design was not...
To meet the variances of some nations using metric dimensions and to bring the quality of manufacture to United States standards, this series is manufactured with a thread of 4H...
Tolerances are tighter because this nut is so often used with tapered roller bearings. The most important tolerance - total indicator reading - of runout of the bearing faces to...