The Bearing,ball,annular, cataloged under National Stock Number 3110-01-012-1644, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-012-1644 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Internal Clearance | 0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN |
| Flange Outside Diameter | 0.5650 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Flange Width | 0.0420 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 0.5000 INCHES NOMINAL IN |
| Standard Tolerance Designation | ABEC NO. 7P |
| Bore Diameter | 0.1875 INCHES NOMINAL IN |
| Material | STEEL COMP 440A BALL A |
| Material | STEEL COMP 440A INNER RING A |
| Material | STEEL COMP 440A OUTER RING A |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | STEEL COMP 410 RETAINER |
| Lubrication Material Document and Classification | G300,FSCM 24446 MFR REF 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 |
| Reference | Meaning |
|---|---|
| M81793-DHHIAA23EB71AX1 | 3/2 Design control — primary reference U.S. Government activity |
| SFR3LL3DK36-74 | 5/2 Secondary reference U.S. Government activity |
NSN 3110-01-012-1644 is a Bearing,ball,annular, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-012-1644: Retainer Fabrication Method: PRESSED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Internal Clearance: 0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN. 20 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.