The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-01-277-2399, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-277-2399 |
| Item Name | Bearing,roller,self-Aligning |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW, CYLINDRICAL ROLLERS, EXTERNAL SELF-ALIGNING WITH ALIGNING RING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS, NON-SEPARABLE |
| Overall Outside Diameter | 130.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 60.0 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP E52100 OVERALL |
| 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 |
|---|---|
| 0371C0027-1 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| SB22312-W33PD | 5/1 Secondary reference U.S. Government activity |
| 0371C0027-1 | 3/2 Design control — primary reference U.S. Government activity |
| 0371C0027-1 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
NSN 3110-01-277-2399 is a Bearing,roller,self-Aligning, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-277-2399: Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Style Designator: SINGLE ROW, CYLINDRICAL ROLLERS, EXTERNAL SELF-ALIGNING WITH ALIGNING RING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS, NON-SEPARABLE; Overall Width: 46.0 MILLIMETERS NOMINAL MM. 8 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.