The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-368-8863, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-368-8863 |
| Primary Part Number | HM903249-HM903210 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Cup Width | 0.8750 INCHES NOMINAL0.8750 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLESTRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 3.7500 INCHES NOMINAL3.7500 INCHES NOMINAL IN |
| Backface Corner Radius | 0.0500 INCHES NOMINAL0.0500 INCHES NOMINAL IN |
| Cone Corner Radius | 0.1400 INCHES NOMINAL0.1400 INCHES NOMINAL IN |
| Standout Width | 0.3438 INCHES NOMINAL0.3438 INCHES NOMINAL IN |
| Cone Width | 1.1250 INCHES NOMINAL1.1250 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2AFBMA CLASS 2 |
| Bore Diameter | 1.7500 INCHES NOMINAL1.7500 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 |
| Part Number | Manufacturer |
|---|---|
| HM903249-HM903210 PRIMARY | The Timken Corporation (USA) |
| 9414917 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 9414917 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 3110-01-368-8863 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-368-8863 has 2 manufacturer part numbers on file: HM903249-HM903210 (The Timken Corporation), 9414917 (General Motors Llc Dba General Motors Llc).
Key specifications for HM903249-HM903210: Retainer Fabrication Method: PRESSED; Cup Width: 0.8750 INCHES NOMINAL0.8750 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLESTRAIGHT BORE, NORMAL ANGLE; Overall Width: 1.2188 INCHES NOMINAL1.2188 INCHES NOMINAL 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.