The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-014-9904, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is U S Bearings. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-014-9904 |
| Primary Part Number | BACB10AG12M |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | U S Bearings |
| Status | ACTIVE |
| Inner Member Width | 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C NOMINAL OUTER RACE MEMBER |
| Hardness Rating | 57.5 ROCKWELL C NOMINAL INNER MEMBER |
| Outer Member Width | 0.5880 INCHES MINIMUM AND 0.5980 INCHES MAXIMUM IN |
| Style Designator | WITHOUT INSERT OR LINER WITH STAKING GROOVE |
| Material Document and Classification | BMS 3-8, MCDONNELL DOUGLAS CORP, MCDONNELL AIRCRAFT DIVISION MFR REF SINGLE MATERIAL RESPONSE LUBRICATION |
| Lubrication Feature | GROOVE AND PERFORATION OUTER RACE MEMBER |
| Static Radial Load Rating | 71100 POUNDS LBS |
| Bore Diameter | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Material | STEEL COMP 440A INNER MEMBER A |
| Material | LUBRICANT DRY FILM LUBRICATION |
| Material | STEEL COMP 630 OUTER RACE MEMBER |
| Outer Member Outside Diameter | 1.4370 INCHES MINIMUM AND 1.4375 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BACB10AG12M PRIMARY | U S Bearings (USA) |
| BACB10AG12M PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| BACB10AG12M PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| BACB10AG12M PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| BACB10AG12M PRIMARY | Roller Bearing Company of America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| BSSN-12866-SM2 | 5/1 Secondary reference U.S. Government activity |
| BACB10AG12M | 1/2 Source control — Government-approved source U.S. Government activity |
| BACB10AG12M | 3/2 Design control — primary reference U.S. Government activity |
| NG-12FM | 5/1 Secondary reference Roller Bearing Company of America, Inc. |
| KSBG12-25CRD5 | 5/9 Secondary reference U.S. Government activity |
| ABG12V-512 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Precision Division |
| HSBG12-117M | 5/1 Secondary reference U S Bearings |
| 03-505-1201DD | 5/1 Secondary reference Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| AG12VCR12 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Astro Division |
NSN 3120-01-014-9904 is a Bearing,plain,self-Aligning, manufactured by U S Bearings, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-014-9904 has 5 manufacturer part numbers on file: BACB10AG12M (U S Bearings), BACB10AG12M (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), BACB10AG12M (New Hampshire Ball Bearings Inc Div Precision Division), BACB10AG12M (New Hampshire Ball Bearings Inc Div Astro Division), BACB10AG12M (Roller Bearing Company of America, Inc.).
Key specifications for BACB10AG12M: Inner Member Width: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN; Hardness Rating: 32.0 ROCKWELL C NOMINAL OUTER RACE MEMBER; Hardness Rating: 57.5 ROCKWELL C NOMINAL INNER MEMBER; Outer Member Width: 0.5880 INCHES MINIMUM AND 0.5980 INCHES MAXIMUM IN. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.