ISO 582:1995

Overview

ISO 582:1995 - Rolling bearings - Chamfer dimensions - Maximum values specifies maximum chamfer (rounded corner) dimensions for metric series rolling bearings and the corresponding limits for shaft and housing filet radii. This third edition cancels and replaces ISO 582:1979 and is intended to ensure interchangeability and reduce risk of interference between bearings and mating parts by standardizing maximum chamfer values where boundary (including chamfer minimum) dimensions are given in other ISO bearing standards.

Key topics and technical requirements

• Scope: Applies only to metric series rolling bearings whose boundary dimensions (including chamfer minima) are given in other ISO standards. It does not apply where chamfer dimensions are not standardized or are specified in other ISO documents.
• Maximum chamfer values: Nominal maximum chamfer dimensions are provided in tables (Tables 1–5) for different bearing types and size ranges. Dimensions in the tables are nominal unless otherwise stated.
• Radial and axial chamfer definitions: The standard defines radial and axial chamfer dimensions (distance from the virtual sharp edge to the intersection of the chamfer surface with the bore/OD or face).
• Shaft and housing filet radii: Specifies that the maximum allowed radius of shaft/housing fillets must not exceed the smallest isolated chamfer dimension of the corresponding bearing (i.e., the shaft/housing filet radius r_max ≤ the bearing’s minimum isolated chamfer r_min).
• Shape flexibility: The exact profile of the chamfer surface is not rigidly fixed; however, its axial trace must lie within an imaginary circular arc tangent to the face and to the bore or external cylindrical surface, as illustrated in the standard.
• Figures and tabulated data: Includes an explanatory figure and tabulated nominal dimensions for multiple bearing categories (radial bearings, tapered-roller bearings, thrust washers, etc.).

Applications and who uses it

• Bearing manufacturers: To set production limits and ensure parts meet market interchangeability requirements.
• Machine and mechanical designers: To design mating shafts, housings and assemblies so fillet radii do not interfere with bearing chamfers.
• Quality and inspection engineers: To verify maximum chamfer dimensions and mating-part radii during acceptance testing.
• Maintenance and procurement specialists: To confirm compatibility when replacing bearings or specifying components across suppliers.

Related standards

ISO 582:1995 is intended for use alongside other ISO bearing standards that supply boundary dimensions and chamfer minima, for example:

• ISO 15, ISO 104, ISO 246, ISO 355, ISO 464, ISO 12043, ISO 12044

Keywords: ISO 582:1995, rolling bearings, chamfer dimensions, maximum chamfer, bearing chamfer, shaft filet radii, housing filet radii, metric series bearings, bearing interchangeability.