The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-125-7447, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-125-7447 |
| Primary Part Number | 310918 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | CANCELLED |
| Bore Diameter | 1.1809 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 INNER RING |
| Material | STEEL COMP E52100 OUTER RING |
| Internal Clearance | 0.0004 INCHES MINIMUM RADIAL AND 0.0018 INCHES MAXIMUM RADIAL IN |
| Bore Shape | STRAIGHT |
| Surface Finish | GROUND |
| Overall Outside Diameter | 2.8343 INCHES MINIMUM AND 2.8346 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OR STEEL COMP E52100 RETAINER |
| Locating Feature | ONE DIRECTION |
| Material Document and Classification | AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE ROLLER |
| Material Document and Classification | AMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Standard Tolerance Designation | RBEC NO.5 |
| Material Document and Classification | AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Style Designator | SINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 310918 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 314732 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 792898 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| 310916 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 3110-00-125-7447 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 3110-00-125-7447 has 4 cross-referenced part numbers: 310918 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 314732 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 792898 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 310916 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
There are 3 known substitutes for 3110-00-125-7447: 5330-01-292-5321, 6620-01-300-9502, 6685-01-474-4923. Verify interchangeability with system specifications before substitution.
Key specifications for 310918: Bore Diameter: 1.1809 INCHES MINIMUM AND 1.1811 INCHES MAXIMUM IN; Overall Width: 0.7430 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN; Material: STEEL COMP E52100 INNER RING; Special Features: RETAINER SILVER PLATE AMS2412 NO STRIKE METL,PLATE 0.0005-0.0015 THK ON LAND RIDING SURFACES AND ROLLER POCKETS;ENGINEERING CRITICAL. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-125-7447 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.