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ABMA STD 7 95th Edition, January 1, 1995
Complete Document
Active, Most Current
Shaft and Housing Fits for Metric Radial Ball and Roller Bearings (Except Tapered Roller Bearings) Conforming to Basic Boundary Plan
Includes all amendments and changes through Stabilization Notice (No longer revised / updated) , 2013
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This standard covers the general selection of shaft and housing fits for metric radial ball and roller bearings of tolerance classes ABEC 1 - RBEC 1 as influenced by the type and extent of bearing loading and other design requirements. Other tolerance classes are not covered by this standard.

Recommendations for the fitting practices of some particular types of ball and roller bearings are covered in other ANSI/ABMA standards.


12.1 & 12.2 Instrument Ball Bearings

16.1 & 16.2 Airframe Ball, Roller, and Needle Roller Bearings

18.1 & 18.2 Needle Roller Bearings

19.1 & 19.2 Tapered Roller Bearings

26.2 Thin Section Ball Bearings

This standard can also be used as a guide for determining shaft and housing dimensions for inch design ball and roller bearings by using the recommended shaft and housing fits for metric bearings and applying the appropriate bore and O.D. tolerances for the inch design bearings, except those bearings covered by ANSI/ABMA Standard 15.