The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-082-8754, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-082-8754 |
| Primary Part Number | 578R952H02 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Bearing Preload Rating | 7.0 POUNDS NOMINAL LBS |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Overall Outside Diameter | 2.0000 INCHES NOMINAL IN |
| Features Provided | ALIGNING RING AND MOUNTING GROOVE |
| Load Direction | RADIAL |
| Bore Diameter | 1.5625 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | GREASE LUBRICATION |
| Material | STEEL COMP 440C SHIELD |
| Material | STEEL COMP 440C BALL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SPACER |
| Lubrication Material Document and Classification | MIL-G-18709 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 |
|---|---|
| 578R952H02 | Mpb Corp Div Timken Super Precision (USA) |
| 578R952H02 | Kaydon Corporation Dba Kaydon Corp (USA) |
| Reference | Meaning |
|---|---|
| 578R952H02 | 5/2 Secondary reference U.S. Government activity |
| 578R952H02 | 5/2 Secondary reference U.S. Government activity |
| 578R952H02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-082-8754 is a Bearing,ball,duplex, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-082-8754 has 2 manufacturer part numbers on file: 578R952H02 (Mpb Corp Div Timken Super Precision), 578R952H02 (Kaydon Corporation Dba Kaydon Corp).
Key specifications for 578R952H02: Bearing Preload Rating: 7.0 POUNDS NOMINAL LBS; Surface Finish: GROUND; Shield Quantity: 2; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING. 15 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.