The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-151-9530, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 9 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-151-9530 |
| Primary Part Number | EE700091-700168DWITHX4S700091 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Cup Width | 6.2500 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, DOUBLE CUP, SINGLE CONES |
| Overall Outside Diameter | 16.7500 INCHES NOMINAL IN |
| Backface Corner Radius | 0.0620 INCHES NOMINAL IN |
| Cone Corner Radius | 0.2810 INCHES NOMINAL IN |
| Standout Width | 1.0000 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 9.0000 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 |
| Part Number | Manufacturer |
|---|---|
| EE700091-700168D | Westinghouse Electric Corp (USA) |
| EE700091-700168DWITHX4S700091 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| EE700091-700168D | 5/9 Secondary reference The Timken Corporation |
| AE519PC9 | 5/9 Secondary reference Westinghouse Electric Corp |
| AE520PC3 | 5/9 Secondary reference Westinghouse Electric Corp |
| AE521PC3 | 5/9 Secondary reference Westinghouse Electric Corp |
| N1198B | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| DE11-9 | 5/9 Secondary reference Westinghouse Electric Corp |
| 90TDO393G4 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-151-9530 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-151-9530 has 2 manufacturer part numbers on file: EE700091-700168D (Westinghouse Electric Corp), EE700091-700168DWITHX4S700091 (The Timken Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-239-8149. Verify interchangeability with system specifications before substitution.
Key specifications for EE700091-700168DWITHX4S700091: Cup Width: 6.2500 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES; Overall Width: 8.2500 INCHES NOMINAL IN; Overall Outside Diameter: 16.7500 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.