The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-211-5085, 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 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-211-5085 |
| Primary Part Number | HM743337/HM743310 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Internal Fit-Up Designation | STANDARD |
| Cup Width | 2.0625 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 13.1250 INCHES NOMINAL IN |
| Backface Corner Radius | 0.2500 INCHES NOMINAL IN |
| Cone Corner Radius | 0.2500 INCHES NOMINAL IN |
| Standout Width | 0.6875 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Cone Width | 2.7500 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 7.8750 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 |
|---|---|
| HM743337/HM743310 PRIMARY | The Timken Corporation (USA) |
| 2E2-5-1 AND 2 ITEM 36 | Lake Shore Systems, Inc. (USA) |
NSN 3110-01-211-5085 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-211-5085 has 2 manufacturer part numbers on file: HM743337/HM743310 (The Timken Corporation), 2E2-5-1 AND 2 ITEM 36 (Lake Shore Systems, Inc.).
Key specifications for HM743337/HM743310: Retainer Fabrication Method: PRESSED; Internal Fit-Up Designation: STANDARD; Cup Width: 2.0625 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE. 13 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.