The Bearing,ball,annular, cataloged under National Stock Number 3110-01-107-9870, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is N T N Bearing Corp of America. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-01-107-9870 |
| Primary Part Number | 11AB227 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | N T N Bearing Corp of America |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Fit-Up Designation | LOOSE |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 140.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Alignment Type | RIGID |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 80.0 MILLIMETERS NOMINAL MM |
| Material | STEEL CORROSION RESISTING OUTER RING |
| Material | STEEL CORROSION RESISTING INNER RING |
| Material | COPPER ALLOY RETAINER |
| Material | STEEL CORROSION RESISTING BALL |
| 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 |
|---|---|
| 11AB227 PRIMARY | N T N Bearing Corp of America (USA) |
| 11AB227 PRIMARY | Skf Usa Inc. (USA) |
| 11AB227 PRIMARY | Fag Bearings Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6216MP43 | 5/1 Secondary reference Fag Bearings Corporation |
| 6216X241C3B7 | C/1 Advisory reference — outside the item-of-supply concept Ntn Bearing Corporation of America |
| 11AB227 | 7/2 Vendor item drawing reference Alfa Laval Inc. |
| 6216X241C3B7 | 5/1 Secondary reference N T N Bearing Corp of America |
| 216S-0035 | 5/1 Secondary reference Skf Usa Inc. |
| 6216X241C3B7 | 5/9 Secondary reference N T N Bearing Corp of America |
NSN 3110-01-107-9870 is a Bearing,ball,annular, manufactured by N T N Bearing Corp of America, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-107-9870 has 3 manufacturer part numbers on file: 11AB227 (N T N Bearing Corp of America), 11AB227 (Skf Usa Inc.), 11AB227 (Fag Bearings Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-186-3507. Verify interchangeability with system specifications before substitution.
Key specifications for 11AB227: Retainer Fabrication Method: MACHINED; Internal Fit-Up Designation: LOOSE; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 14 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.