The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-01-084-2534, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-084-2534 |
| Primary Part Number | SB3313-201 |
| Item Name | Cup,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Style Designator | NORMAL ANGLE |
| Outside Diameter | 5.5960 INCHES MINIMUM AND 5.5970 INCHES MAXIMUM IN |
| Backface Corner Radius | 0.1300 INCHES NOMINAL IN |
| Test Data Document | 78286-SB3313-201 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| 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 |
|---|---|
| SB3313-201 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| SB3313-201 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| HM617010XX-2-397 | 5/1 Secondary reference The Timken Corporation |
NSN 3110-01-084-2534 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-084-2534 has 2 manufacturer part numbers on file: SB3313-201 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SB3313-201 (The Timken Corporation).
Key specifications for SB3313-201: Style Designator: NORMAL ANGLE; Overall Width: 1.3438 INCHES NOMINAL IN; Outside Diameter: 5.5960 INCHES MINIMUM AND 5.5970 INCHES MAXIMUM IN; Backface Corner Radius: 0.1300 INCHES NOMINAL IN. 6 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.