The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-182-8142, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Bearing & Drive Systems Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-182-8142 |
| Primary Part Number | B546DD |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Bearing & Drive Systems Inc |
| Status | ACTIVE |
| Outer Ring Width | 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Shield Quantity | 2 |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 2.8600 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN |
| Load Direction | RADIAL |
| Surface Treatment | CADMIUM EXPOSED SURFACES AS MOUNTED |
| Bore Diameter | 2.3115 INCHES MINIMUM AND 2.3135 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 OVERALL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.2760 INCHES MINIMUM AND 0.2810 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 |
| Part Number | Manufacturer |
|---|---|
| B546DD | Bearing & Drive Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| B546ZZ | 5/9 Secondary reference Skf Usa Inc. |
| B546DD | 3/9 Design control — primary reference Timken Co Div the Timken Company |
| 6157P60 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3110-00-182-8142 is a Bearing,ball,airframe, manufactured by Bearing & Drive Systems Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-182-8142 has 1 manufacturer part number on file: B546DD (Bearing & Drive Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 3110-00-621-5240. Verify interchangeability with system specifications before substitution.
Key specifications for B546DD: Outer Ring Width: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Shield Quantity: 2; Style Designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES; Overall Outside Diameter: 2.8600 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN. 10 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.