Mounting accessories covered in this standard are commonly used for the location or fixing of ball and roller bearings to the shaft of a machine or mechanism. The purpose of the standard is to establish dimensions and minimum physical properties of these components consistent and compatible with ABMA and ANSI Standards relating to ball and roller bearings. Products manufactured in accordance with this standard will fulfill the expected function when used with properly-designed shafts. This standard covers:

Locknuts and removal nuts - Locknuts and removal nuts for ball bearings, cylindrical, spherical, and tapered roller bearings

Locking devices - Lockwashers and lockplates for ball bearings, cylindrical, spherical and tapered roller bearings.

Mounting sleeves - Adapter sleeves and withdrawal sleeves, for ball bearings and spherical roller bearings.

Shaft dimensions - Required dimensions for threads, keyways, and reliefs for shafts.

General information - Symbols, definitions, part numbers, materials, tolerances, and threads.