The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-031-1227, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rbc Transport Dynamics Corp Div Rbc Transport Dynamics. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-031-1227 |
| Primary Part Number | 55752 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| Status | ACTIVE |
| Material | STEEL COMP 630 OUTER RACE MEMBER |
| Surface Treatment | CHROMIUM INNER MEMBER |
| Style Designator | WITHOUT INSERT OR LINER WITH STAKING GROOVE |
| Static Radial Load Rating | 30200 POUNDS LBS |
| Material | STEEL COMP 440C INNER MEMBER |
| Outer Member Width | 0.8000 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM IN |
| Bore Diameter | 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Hardness Rating | 57.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM INNER MEMBER |
| Outer Member Outside Diameter | 2.0000 INCHES MINIMUM AND 2.0005 INCHES MAXIMUM IN |
| Inner Member Width | 1.1950 INCHES MINIMUM AND 1.2000 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ASSB20V65 | Aerospace Design Inc Siebelair Valve Div (USA) |
| GB520CM1250H | Northrop Grumman Systems Corporation (USA) |
| 55752 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| GB520CM1250H PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
NSN 3120-00-031-1227 is a Bearing,plain,self-Aligning, manufactured by Rbc Transport Dynamics Corp Div Rbc Transport Dynamics, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-031-1227 has 4 cross-referenced part numbers: ASSB20V65 (Aerospace Design Inc Siebelair Valve Div), GB520CM1250H (Northrop Grumman Systems Corporation), 55752 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), GB520CM1250H (New Hampshire Ball Bearings Inc Div Astro Division).
There are 4 known substitutes for 3120-00-031-1227: 5120-00-188-1182, 1730-01-134-3114, 5325-01-194-6161 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 55752: Material: STEEL COMP 630 OUTER RACE MEMBER; Surface Treatment: CHROMIUM INNER MEMBER; Style Designator: WITHOUT INSERT OR LINER WITH STAKING GROOVE; Static Radial Load Rating: 30200 POUNDS LBS. 10 total characteristics are documented in the Federal Logistics Information System.