The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-006-9115, 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 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-006-9115 |
| Primary Part Number | 3021420-1 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Cup Width | 1.8125 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, DOUBLE CUP, SINGLE CONES |
| Overall Outside Diameter | 4.4995 INCHES MINIMUM AND 4.5005 INCHES MAXIMUM IN |
| Backface Corner Radius | 0.0300 INCHES NOMINAL IN |
| Cone Corner Radius | 0.0600 INCHES NOMINAL IN |
| Standout Width | 0.2500 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 2.7500 INCHES MINIMUM AND 2.7505 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 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 |
|---|---|
| 3021420-1 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3021420-1 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 29675-29622DX1S29675ASSY9-142 | 5/9 Secondary reference The Timken Corporation |
| 29675-29622D | 5/9 Secondary reference The Timken Corporation |
NSN 3110-01-006-9115 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-006-9115 has 1 manufacturer part number on file: 3021420-1 (The Timken Corporation).
Key specifications for 3021420-1: Retainer Fabrication Method: PRESSED; Cup Width: 1.8125 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES; Overall Width: 2.3125 INCHES MINIMUM AND 2.3285 INCHES MAXIMUM 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.