The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-155-7443, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-155-7443 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Cup Width | 0.4375 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 1.8504 INCHES NOMINAL IN |
| Backface Corner Radius | 0.0460 INCHES NOMINAL IN |
| Cone Corner Radius | 0.0620 INCHES NOMINAL IN |
| Standout Width | 0.1287 INCHES NOMINAL IN |
| Cone Width | 0.5662 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 0.6250 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 |
| Reference | Meaning |
|---|---|
| 712824 | 5/1 Secondary reference Army Weapons Command Attn Amswe-Ree-S |
| A807455PCS41AND42 | 5/9 Secondary reference Leeds and Northrup Co a Unit of General Signal Corp |
| 05062-05185 | 5/1 Secondary reference Ntn Bearing Corporation of America |
| 0506205185 | 5/1 Secondary reference The Timken Corporation |
| 05062-05185 | 5/1 Secondary reference The Timken Corporation |
| 5MCTD25HIGHSPEEDBEARING | 5/9 Secondary reference Winsmith Div Umc Industries Inc |
| 05185-05062 | 5/1 Secondary reference The Timken Corporation |
| FF-B-187 | 4/1 Identification reference U.S. Government activity |
| MS19081-5 | 2/2 Government specification standardization U.S. Government activity |
| S65-5-25 | C/1 Advisory reference — outside the item-of-supply concept Radocy P a and Sons Inc |
| A33-2H3CT11 | 5/9 Secondary reference Winsmith Div Umc Industries Inc |
| 05062-05185 | 5/9 Secondary reference Federal-Mogul Corp Government Sales Dept |
NSN 3110-00-155-7443 is a Bearing,roller,tapered, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-00-155-7443: Cup Width: 0.4375 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 0.5662 INCHES NOMINAL IN; Overall Outside Diameter: 1.8504 INCHES NOMINAL IN. 9 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.