The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-100-4409, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-100-4409 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Cup Width | 1.4375 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 5.9090 INCHES NOMINAL IN |
| Backface Corner Radius | 0.1250 INCHES NOMINAL IN |
| Cone Corner Radius | 0.2030 INCHES NOMINAL IN |
| Standout Width | 0.3125 INCHES NOMINAL IN |
| Cone Width | 1.8375 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 3.1250 INCHES NOMINAL 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 |
| Reference | Meaning |
|---|---|
| RC4238H PIECE 47,48 | 5/1 Secondary reference Continental Emsco Co Skagit Products Div |
| 34181A14 | 5/9 Secondary reference Terex American Crane Corp |
| 750X742 | 5/1 Secondary reference Continental Emsco Co Skagit Products Div |
| 750-742 | 5/1 Secondary reference The Timken Corporation |
| 323W32G | 5/9 Secondary reference U.S. Government activity |
| MS19081-271 | 2/2 Government specification standardization U.S. Government activity |
| MS19081-271 | 5/9 Secondary reference U.S. Government activity |
| 742750 | 5/9 Secondary reference The Timken Corporation |
| 34181A14 | 5/9 Secondary reference American Hoist and Derrick Co |
| FF-B-187 | 4/1 Identification reference U.S. Government activity |
NSN 3110-00-100-4409 is a Bearing,roller,tapered, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-00-100-4409: Cup Width: 1.4375 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 1.7500 INCHES NOMINAL IN; Overall Outside Diameter: 5.9090 INCHES NOMINAL 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.