The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-101-6665, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-101-6665 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Cup Width | 0.9375 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 2.8593 INCHES NOMINAL IN |
| Backface Corner Radius | 0.1300 INCHES NOMINAL IN |
| Cone Corner Radius | 0.0500 INCHES NOMINAL IN |
| Standout Width | 0.2500 INCHES NOMINAL IN |
| Cone Width | 1.1811 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 4 |
| Bore Diameter | 1.1250 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 |
|---|---|
| FF-B-187 | 4/1 Identification reference U.S. Government activity |
| 3198-3120 | 5/1 Secondary reference The Timken Corporation |
| 921537 | 5/1 Secondary reference Rexnord Industries Llc |
| MS19081-26 | 2/2 Government specification standardization U.S. Government activity |
NSN 3110-00-101-6665 is a Bearing,roller,tapered, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-00-101-6665: Cup Width: 0.9375 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 1.1875 INCHES NOMINAL IN. 11 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.