The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-100-4189, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-100-4189 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Internal Fit-Up Designation | STANDARD |
| Cup Width | 1.1250 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 4.2500 INCHES NOMINAL IN |
| Backface Corner Radius | 0.1300 INCHES NOMINAL IN |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Standout Width | 0.3125 INCHES NOMINAL IN |
| Cone Width | 1.4550 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 4 |
| Bore Diameter | 2.0000 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 |
|---|---|
| 537-532X | 5/1 Secondary reference Federal-Mogul Corp Government Sales Dept |
| 537-532X | 5/1 Secondary reference The Timken Corporation |
| 3223376 | 5/1 Secondary reference Hatch & Kirk, Inc. |
| MS19081-209 | 2/2 Government specification standardization U.S. Government activity |
| 3223376 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| FF-B-187 | 4/1 Identification reference U.S. Government activity |
| PT361 | 5/9 Secondary reference Rockford Powertrain Inc Div Powertrain Rockford, Inc. |
NSN 3110-00-100-4189 is a Bearing,roller,tapered, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-00-100-4189: Internal Fit-Up Designation: STANDARD; Cup Width: 1.1250 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.