The Bearing,ball,annular, cataloged under National Stock Number 3110-00-277-9363, 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 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-277-9363 |
| Primary Part Number | 901794-1D |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Kaydon Corporation Dba Kaydon Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Seal Type | CONTACT |
| Internal Clearance | 0.0001 INCHES MINIMUM RADIAL AND 0.0003 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE SEAL |
| Overall Outside Diameter | 2.5000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 1 |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 2.0000 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL COMP 440C BALL |
| Material | PLASTIC RETAINER |
| Material | RUBBER FLUOROSILICONE CLASS FQ SEAL |
| 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 |
|---|---|
| 901794-1D PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
| 901794-1D PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 3TKRZ32-40-6 | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
| AMYN32KP2CRVA1863 | 5/9 Secondary reference Timken Co Div the Timken Company |
| SA020XZ3 | 5/1 Secondary reference Kaydon Corporation Dba Kaydon Corp |
| 3TKRZ32-40-6 | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
| 901794-1D | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3110-00-277-9363 is a Bearing,ball,annular, manufactured by Kaydon Corporation Dba Kaydon Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-277-9363 has 2 manufacturer part numbers on file: 901794-1D (Kaydon Corporation Dba Kaydon Corp), 901794-1D (Mpb Corp Div Timken Super Precision).
Key specifications for 901794-1D: Retainer Fabrication Method: MACHINED; Bearing Seal Type: CONTACT; Internal Clearance: 0.0001 INCHES MINIMUM RADIAL AND 0.0003 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND. 20 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.