The Bearing,roller,airframe, cataloged under National Stock Number 3110-01-498-5855, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-498-5855 |
| Item Name | Bearing,roller,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.8070 INCHES MINIMUM AND 0.8120 INCHES MAXIMUM IN |
| Style Designator | CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING |
| Material Document and Classification | MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE ROLLER |
| Overall Outside Diameter | 1.6870 INCHES MINIMUM AND 1.6875 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM EXPOSED SURFACES AS MOUNTED |
| Seal Quantity | 2 |
| Bore Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP 4140 RETAINER |
| Material | STEEL COMP E52100 INNER RING |
| Material | RUBBER SYNTHETIC ROLLER |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.9995 INCHES MINIMUM AND 1.0000 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 |
| Reference | Meaning |
|---|---|
| AS28913-8C | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-498-5855 is a Bearing,roller,airframe, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-498-5855: Retainer Fabrication Method: MACHINED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.8070 INCHES MINIMUM AND 0.8120 INCHES MAXIMUM IN. 16 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.