Bearings
Federal Supply Group 31 — Technical data sheets for every NSN
Federal Supply Classes
| FSC | Class Name | NSN Count |
|---|---|---|
| 3120 | Bearings, Plain, Unmounted | 164,852 |
| 3110 | Bearings, Antifriction, Unmounted | 129,610 |
| 3130 | Bearings, Mounted | 15,981 |
Top Cross-Referenced Parts
| NSN | Item Name | Cross-Refs |
|---|---|---|
| 3120-00-343-9716 | Bushing,sleeve | 563 |
| 3120-00-339-2531 | Bushing,sleeve | 562 |
| 3110-00-100-6183 | Ball,bearing | 362 |
| 3120-00-339-4467 | Bushing,sleeve | 273 |
| 3120-00-288-4305 | Roller,linear-Rotary Motion | 246 |
| 3120-00-216-7711 | Bearing,sleeve | 243 |
| 3110-00-100-6179 | Ball,bearing | 191 |
| 3110-00-183-5828 | Bearing,ball,annular | 177 |
| 3110-00-183-5778 | Bearing,ball,annular | 156 |
| 3120-00-339-2463 | Bearing,sleeve | 155 |
| 3110-00-159-9283 | Bearing,ball,annular | 149 |
| 3120-00-338-3088 | Bearing,sleeve | 145 |
| 3120-00-274-9583 | Bearing,washer,thrust | 139 |
| 3120-00-516-6096 | Bearing,washer,thrust | 131 |
| 3110-00-183-5851 | Bearing,ball,annular | 123 |
| 3120-00-216-9357 | Bearing Assembly | 118 |
| 3110-00-155-6649 | Bearing,ball,annular | 116 |
| 3110-00-227-4915 | Bearing,roller,radial and Thrust | 110 |
| 3110-00-144-8561 | Bearing,ball,annular | 108 |
| 3120-00-339-3208 | Bearing,sleeve | 107 |
Top Manufacturers
| Company | Country | NSN Count |
|---|---|---|
| Naval Sea Systems Command | USA | 9,067 |
| Naval Ship Systems Command | USA | 6,431 |
| Timken Co Div the Timken Company | USA | 5,592 |
| National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use | USA | 5,234 |
| General Motors Corp Delco Moraine Ndh Div | USA | 4,074 |
| Caterpillar Inc Div Caterpillar Defense | USA | 4,051 |
| Sae International Dba Sae International | USA | 3,971 |
| The Boeing Company Div Defense | USA | 3,866 |
| Skf Usa Inc. | USA | 3,827 |
| General Motors Corp | USA | 3,819 |
About Bearings
PartsTable provides technical data for 310,443 active National Stock Numbers in the Bearings category (Federal Supply Group 31), cited from the U.S. Government catalog. The largest Federal Supply Class within this group is Bearings, Plain, Unmounted (FSC 3120) with 164,852 cataloged items. Every record shows the government data as held — specifications, DEMIL classification, and manufacturer part-number references where the record carries them — freely accessible through PartsTable.