The Ring,bearing,inner, cataloged under National Stock Number 3110-01-007-0189, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-01-007-0189 |
| Item Name | Ring,bearing,inner |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | INNER RING, ROLLER, CYLINDRICAL |
| Overall Outside Diameter | 1.2030 INCHES MINIMUM AND 1.2060 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Bore Diameter | 0.8147 INCHES MINIMUM AND 0.8151 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 |
| Reference | Meaning |
|---|---|
| 714262 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-007-0189 is a Ring,bearing,inner, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5342-01-034-0987. Verify interchangeability with system specifications before substitution.
Key specifications for 3110-01-007-0189: Surface Finish: GROUND; Style Designator: INNER RING, ROLLER, CYLINDRICAL; Overall Width: 0.5487 INCHES MINIMUM AND 0.5537 INCHES MAXIMUM IN; Overall Outside Diameter: 1.2030 INCHES MINIMUM AND 1.2060 INCHES MAXIMUM IN. 5 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.