The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-878-6309, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-878-6309 |
| Primary Part Number | 2180634 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | CANCELLED |
| Surface Finish | GROUND |
| Internal Clearance | 0.0018 INCHES MINIMUM RADIAL AND 0.0025 INCHES MAXIMUM RADIAL IN |
| Bore Diameter | 3.7399 INCHES MINIMUM AND 3.7402 INCHES MAXIMUM IN |
| Material | STEEL ROLLER |
| Material Document and Classification | PWA-725,97497 MFR REF 1ST MATERIAL RESPONSE INNER RING |
| Material Document and Classification | PWA-725,97497 MFR REF 2ND MATERIAL RESPONSE OUTER RING |
| Material | STEEL INNER RING |
| Outer Ring Width | 0.9399 INCHES MINIMUM AND 0.9449 INCHES MAXIMUM IN |
| Inner Ring Width | 1.0024 INCHES MINIMUM AND 1.0074 INCHES MAXIMUM IN |
| Material Document and Classification | PWA-725,97497 MFR REF 3RD MATERIAL RESPONSE ROLLER |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | RBEC NO.5 |
| Overall Outside Diameter | 5.3146 INCHES MINIMUM AND 5.3150 INCHES MAXIMUM IN |
| Locating Feature | NONLOCATING |
| Retainer Fabrication Method | MACHINED |
| Material | STEEL OUTER RING |
| Material | STEEL COMP 4340 RETAINER |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2180634 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 503565 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 552019 | Schaeffler Aerospace Canada Inc Div Fag Aerospace (CAN) |
| 503566 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 2180677 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 503567 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 3110-00-878-6309 is a Bearing,roller,cylindrical, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-878-6309 has 6 cross-referenced part numbers: 2180634 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 503565 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 552019 (Schaeffler Aerospace Canada Inc Div Fag Aerospace), 503566 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 2180677 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 1 more.
There are 4 known substitutes for 3110-00-878-6309: 5310-00-050-3209, 5998-00-546-5559, 1660-00-611-9437 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2180634: Surface Finish: GROUND; Internal Clearance: 0.0018 INCHES MINIMUM RADIAL AND 0.0025 INCHES MAXIMUM RADIAL IN; Bore Diameter: 3.7399 INCHES MINIMUM AND 3.7402 INCHES MAXIMUM IN; Material: STEEL ROLLER. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-878-6309 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.