The Bearing,roller,airframe, cataloged under National Stock Number 3110-00-044-4161, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rexnord Industries, Llc Div Aerosspace Bearing Operation. Government technical data includes 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-044-4161 |
| Primary Part Number | 107RS577-2 |
| Item Name | Bearing,roller,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.3150 INCHES NOMINAL IN |
| Style Designator | CONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING |
| Overall Outside Diameter | 1.1250 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Seal Quantity | 2 |
| Bore Diameter | 0.6250 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL ROLLER |
| Lubrication Material Document and Classification | MIL-G-25537 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.3750 INCHES NOMINAL 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 |
|---|---|
| 107RS577-2 PRIMARY | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| 107RS577-2 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 107RS577-2 | 5/9 Secondary reference U.S. Government activity |
| YS179 | 5/9 Secondary reference Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| A60482 | 5/9 Secondary reference Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| SA10-18B1-501 | 5/1 Secondary reference Rexnord Industries, Llc Div Aerosspace Bearing Operation |
NSN 3110-00-044-4161 is a Bearing,roller,airframe, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-044-4161 has 2 manufacturer part numbers on file: 107RS577-2 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), 107RS577-2 (The Boeing Company).
Key specifications for 107RS577-2: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.3150 INCHES NOMINAL IN; Style Designator: CONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING. 14 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.