The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-00-156-1422, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-156-1422 |
| Primary Part Number | 21309 |
| Item Name | Bearing,roller,self-Aligning |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | CANCELLED |
| Surface Finish | GROUND |
| Bore Shape | STRAIGHT |
| Style Designator | DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE |
| Material | STEEL INNER RING |
| Material | STEEL OUTER RING |
| Material | STEEL ROLLER |
| Internal Fit-Up Designation | STANDARD |
| Overall Outside Diameter | 100.00 MILLIMETERS NOMINAL MM |
| Standard Tolerance Designation | RBEC NO.1 |
| Bore Diameter | 45.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3110-00-156-1422 is a Bearing,roller,self-Aligning, manufactured by Naval Ship Systems Command, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-156-1422 has 3 cross-referenced part numbers: 21309 (Naval Ship Systems Command), 21309 (Skf Usa Inc.), 207849 (Eaton Aerospace, Llc Dba Jackson South).
There are 8 known substitutes for 3110-00-156-1422: 6685-00-249-7662, 9540-00-261-5637, 9540-00-540-5937 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21309: Surface Finish: GROUND; Bore Shape: STRAIGHT; Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE; Material: STEEL INNER RING. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-156-1422 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.