The Bearing,ball,annular, cataloged under National Stock Number 3110-00-198-1014, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is General Motors Corp. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-198-1014 |
| Primary Part Number | 77R4AXR5E |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 0.7500 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 77R4AXR5E PRIMARY | General Motors Corp (USA) |
| 77R4AXR5ANG25 PRIMARY | General Motors Corp (USA) |
| BA722422 PRIMARY | Fag Bearings Corporation (USA) |
| R4ASSMILG3278 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| BA722422 PRIMARY | Timken Co Div the Timken Company (USA) |
| R4ASSK3ABEC5MILG3278 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| BA722422 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| R4ASS3MILG3278 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| BA722422 PRIMARY | Schatz Bearing Corporation Dba Schatz Bearing Corp (USA) |
| Reference | Meaning |
|---|---|
| 77R4AXR5ANG25 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| 165626 | 5/9 Secondary reference Advanced Computer Technology Inc Dba a C T |
| ES583-4AD5G | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| RS77R4ACZD5E | 5/9 Secondary reference General Motors Corp |
| BA722422 | 5/9 Secondary reference At and T Corp |
| 165626 | 5/9 Secondary reference Stewart-Warner Corporation |
| ES583-4AD5G | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
| 77R4AX5E | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| RS77R4ACZD5E | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| RS77R4ACZD5E | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 77R4AXR5E | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| P9618504-7 | 5/9 Secondary reference General Electric Company |
| BA722422 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 3110-00-198-1014 is a Bearing,ball,annular, manufactured by General Motors Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-198-1014 has 9 manufacturer part numbers on file: 77R4AXR5E (General Motors Corp), 77R4AXR5ANG25 (General Motors Corp), BA722422 (Fag Bearings Corporation), R4ASSMILG3278 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), BA722422 (Timken Co Div the Timken Company) and 4 more.
1 possible match (shared part number, not a government interchangeability claim): 5305-00-997-3056. Verify interchangeability with system specifications before substitution.
Key specifications for 77R4AXR5E: Lubrication Material: GREASE; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Shield Quantity: 2. 12 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.