The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-587-3799, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rbc Bearings Incorporated Div West Trenton Division. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-587-3799 |
| Primary Part Number | 389S382A |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rbc Bearings Incorporated Div West Trenton Division |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Cup Width | 0.6250 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 3.8125 INCHES NOMINAL IN |
| Backface Corner Radius | 0.0310 INCHES NOMINAL IN |
| Cone Corner Radius | 0.0930 INCHES NOMINAL IN |
| Standout Width | 0.2018 INCHES MINIMUM AND 0.2098 INCHES MAXIMUM IN |
| Cone Width | 1.0337 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 2.1880 INCHES MINIMUM AND 2.1885 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 389S382A PRIMARY | Rbc Bearings Incorporated Div West Trenton Division (USA) |
| Reference | Meaning |
|---|---|
| 389S382A | 5/9 Secondary reference Skf Usa Inc. |
| 389S382A | 5/9 Secondary reference Tyson Bearing Co Div Skf Industries Inc |
NSN 3110-00-587-3799 is a Bearing,roller,tapered, manufactured by Rbc Bearings Incorporated Div West Trenton Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-587-3799 has 1 manufacturer part number on file: 389S382A (Rbc Bearings Incorporated Div West Trenton Division).
Key specifications for 389S382A: Retainer Fabrication Method: PRESSED; Cup Width: 0.6250 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 1.0337 INCHES NOMINAL IN. 11 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.