The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-141-9777, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Kaydon Corporation Dba Kaydon Corp. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-141-9777 |
| Primary Part Number | B7209-1 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Kaydon Corporation Dba Kaydon Corp |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Surface Finish | GROUND |
| Bearing Preload Designation | LIGHT |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Overall Outside Diameter | 12.5000 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Seal Quantity | 1 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 11.0000 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | GREASE LUBRICATION |
| Material | STEEL BALL |
| Material | PLASTIC RETAINER |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B7209-1 PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
| Reference | Meaning |
|---|---|
| Y176PWIDBFS134 | 5/9 Secondary reference Timken Co Div the Timken Company |
| Y176PW1CRDBFS134 | 5/9 Secondary reference Timken Co Div the Timken Company |
| Y176PW1CRDBFS160 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-141-9777 is a Bearing,ball,duplex, manufactured by Kaydon Corporation Dba Kaydon Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-141-9777 has 1 manufacturer part number on file: B7209-1 (Kaydon Corporation Dba Kaydon Corp).
Key specifications for B7209-1: Bearing Seal Type: CONTACT; Surface Finish: GROUND; Bearing Preload Designation: LIGHT; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.