The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-137-2472, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-137-2472 |
| Primary Part Number | 4059349 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Internal Clearance | 0.0053 INCHES MINIMUM RADIAL AND 0.0063 INCHES MAXIMUM RADIAL IN |
| Locating Feature | NONLOCATING |
| Surface Finish | GROUND |
| Supplementary Features | EACH ASSEMBLY CONTAINS AN INNER RACE,AN OUTER RACE,A ROLLER CAGE,AND A SET OF ROLLERS |
| Style Designator | SOLID INNER AND OUTER RACES |
| Material Document and Classification | PWA-725,97497 MFR REF 3RD MATERIAL RESPONSE ROLLER |
| Material Document and Classification | PWA-725,97497 MFR REF 1ST MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | PWA-725,97497 MFR REF 2ND MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 8.8578 INCHES MINIMUM AND 8.8583 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | RBEC NO.5 |
| Bore Diameter | 6.4957 INCHES MINIMUM AND 6.4961 INCHES MAXIMUM IN |
| Material | STEEL COMP 4340 RETAINER |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL ROLLER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4059298 | Timken Co Div the Timken Company (USA) |
| 4059349 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4059299 | Fag Bearings Corporation (USA) |
| 4059297 | Skf Usa Inc. (USA) |
| 4061007 | Mpb Corporation Dba Mpb Corp (USA) |
| Reference | Meaning |
|---|---|
| 3110PL2209738 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3110PL1775575 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3110PL1178710 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3110-01-137-2472 is a Bearing,roller,cylindrical, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-137-2472 has 5 manufacturer part numbers on file: 4059298 (Timken Co Div the Timken Company), 4059349 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4059299 (Fag Bearings Corporation), 4059297 (Skf Usa Inc.), 4061007 (Mpb Corporation Dba Mpb Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5307-01-180-1769, 3010-01-653-2059. Verify interchangeability with system specifications before substitution.
Key specifications for 4059349: Internal Clearance: 0.0053 INCHES MINIMUM RADIAL AND 0.0063 INCHES MAXIMUM RADIAL IN; Locating Feature: NONLOCATING; Surface Finish: GROUND; Supplementary Features: EACH ASSEMBLY CONTAINS AN INNER RACE,AN OUTER RACE,A ROLLER CAGE,AND A SET OF ROLLERS. 16 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.
NSN 3110-01-137-2472 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.