The Bearing,ball,annular, cataloged under National Stock Number 3110-01-200-4981, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-200-4981 |
| Primary Part Number | W306PPFS381A |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| Lubrication Material Document and Classification | DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE |
| Overall Outside Diameter | 2.8346 INCHES NOMINAL IN |
| Standard Tolerance Designation | ABEC NO.1 |
| Lubrication Material | GREASE |
| Load Direction | RADIAL |
| Bearing Seal Type | CONTACT |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Retainer Fabrication Method | PRESSED |
| Seal Quantity | 2 |
| Bore Shape | STRAIGHT |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL RETAINER |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL BALL |
| Bore Diameter | 1.1811 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| W306PPFS381A PRIMARY | Timken Co Div the Timken Company (USA) |
| W306PP | Timken Co Div the Timken Company (USA) |
| FF-B-171 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 3110-01-200-4981 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-01-200-4981 has 3 cross-referenced part numbers: W306PPFS381A (Timken Co Div the Timken Company), W306PP (Timken Co Div the Timken Company), FF-B-171 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 2 known substitutes for 3110-01-200-4981: 3110-00-156-5044, 3110-00-198-2418. Verify interchangeability with system specifications before substitution.
Key specifications for W306PPFS381A: Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Outside Diameter: 2.8346 INCHES NOMINAL IN; Standard Tolerance Designation: ABEC NO.1; Lubrication Material: GREASE. 20 total characteristics are documented in the Federal Logistics Information System.