Makeup and order of bearing numbers is shown in table 52. Inter nal clearance of bearings 7.
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Skf bearing part number system.
Bearing nomenclature pdf. In addition most manufacturers have created their own. Bearing designation systems 11 the basic designation consists of the code for the bearing series and the code for the bearing bore. The supplementary codes derive from prefixes and suffixes which indicate a bearings tolerances internal clearances and.
The most important codes for metric bearing series are listed in table 11. The designations of most skf rolling bearings follow a designation system. Application of bearings 9.
Accuracy of bearings 6. The boundary dimensions for certain series of bearings are defined in various standards such as abma jis and iso. Skf bearing part number system nomenclature.
Download pdf of this information. Nomenclature y dimensions and nomenclature 5. Nomenclature guide to common bearing types for reference use only.
Es of bearings 2. Skf bearings w3 tapped holes in the face of the outer ring. Emerson front cover nomenclature pages for thomasnet upper and lowerpub.
Emerson bearing assumes no liability for errors. T r ouble shooting bearing pr oblem t echnical infor mation. 11 classification and t ypes 12 designs and featur e 12.
Selection of bearings. Radial ball bearing nomenclature and numbering system. Double row bearings self aligning ball bearings maximum capacity bearings mast guide bearings integral shaft bearings special bearings nsk ball bearings can be categorized as deep groove bearings or angular contact bearings.
The complete bearing designation may consist of a basic designation with or without one or more supplementary prefixes and suffixes the basic designation identifies. Matearials of bearings 8. Accuracy of bearings 5.
The basic number indicates general information about a bearing such as its fundamental type boundary dimensions series number bore diameter code and contact angle. Deep groove bearings are further identified as single or double row and conrad type or filling slot type. There are many different numbering systems used in the bearing industry today.
For reference use only. Iso dimensional system and bearing numbers 13 14 bearing numbers for miniature ball bearings ball bearings with outside diameters below 9 mm or below 9525 mm for bearings in the inch design are called miniature ball bearings and are mainly used in vcrs computer. Reed torque test average torque value of 1000 mgmm.
Protech Bearing Isolators Parker Eps Catalog 5275
Part Numbering System Miniature Small Ball Bearings