The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-902-6622, 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 11 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 | 3110-00-902-6622 |
| Primary Part Number | LL52549LL52510Y63-315330-251 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Cup Width | 0.3400 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 1.6563 INCHES MINIMUM AND 1.6573 INCHES MAXIMUM IN |
| Backface Corner Radius | 0.0460 INCHES NOMINAL IN |
| Cone Corner Radius | 0.0460 INCHES NOMINAL IN |
| Standout Width | 0.1000 INCHES NOMINAL IN |
| Cone Width | 0.4400 INCHES NOMINAL IN |
| Bore Diameter | 0.8750 INCHES MINIMUM AND 0.8755 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 |
|---|---|
| LL52549LL52510Y63-315330-251 PRIMARY | The Timken Corporation (USA) |
| Y63-315330-251 | Gyrodyne Co of America Inc (USA) |
NSN 3110-00-902-6622 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-902-6622 has 2 manufacturer part numbers on file: LL52549LL52510Y63-315330-251 (The Timken Corporation), Y63-315330-251 (Gyrodyne Co of America Inc).
Key specifications for LL52549LL52510Y63-315330-251: Retainer Fabrication Method: PRESSED; Cup Width: 0.3400 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 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.