The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-678-8117, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-678-8117 |
| Primary Part Number | 271734 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | CANCELLED |
| Material | STEEL ROLLER |
| Retainer Fabrication Method | MACHINED |
| Internal Clearance | 0.0011 INCHES MINIMUM RADIAL AND 0.0026 INCHES MAXIMUM RADIAL IN |
| Standard Tolerance Designation | RBEC NO.1 |
| Material | STEEL INNER RING |
| Locating Feature | NONLOCATING |
| Bore Diameter | 25.0 MILLIMETERS NOMINAL MM |
| Overall Outside Diameter | 52.0000 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Style Designator | SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE |
| Bore Shape | STRAIGHT |
| Surface Finish | GROUND |
| Material | COPPER ALLOY RETAINER |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 238891 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 211620 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 211591 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| PW211589 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 285778 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 211589 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 271734 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 3110-00-678-8117 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 3110-00-678-8117 has 7 cross-referenced part numbers: 238891 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 211620 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 211591 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), PW211589 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 285778 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 2 more.
There are 10 known substitutes for 3110-00-678-8117: 3110-00-100-0377, 3110-00-100-0501, 5999-01-096-6645 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 271734: Material: STEEL ROLLER; Retainer Fabrication Method: MACHINED; Internal Clearance: 0.0011 INCHES MINIMUM RADIAL AND 0.0026 INCHES MAXIMUM RADIAL IN; Standard Tolerance Designation: RBEC NO.1. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-678-8117 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.