The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-01-285-2079, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Fag Bearings Corporation. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-285-2079 |
| Primary Part Number | 231/500B.54930MB.R50.150 |
| Item Name | Bearing,roller,self-Aligning |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Fag Bearings Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Clearance | 0.0020 INCHES MINIMUM RADIAL AND 0.0059 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Style Designator | DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE |
| Overall Outside Diameter | 830.0 MILLIMETERS NOMINAL MM |
| Features Provided | LUBRICATION GROOVE AND LUBRICATION HOLE |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 500.0 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | COPPER ALLOY RETAINER |
| Material | STEEL ROLLER |
| 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 |
|---|---|
| B45796 | Fag Bearings Corporation (USA) |
| 231/500B.54930MB.R50.150 PRIMARY | Fag Bearings Corporation (USA) |
NSN 3110-01-285-2079 is a Bearing,roller,self-Aligning, manufactured by Fag Bearings Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-285-2079 has 2 manufacturer part numbers on file: B45796 (Fag Bearings Corporation), 231/500B.54930MB.R50.150 (Fag Bearings Corporation).
Key specifications for 231/500B.54930MB.R50.150: Retainer Fabrication Method: MACHINED; Internal Clearance: 0.0020 INCHES MINIMUM RADIAL AND 0.0059 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND; Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE. 13 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.