The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-070-2144, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-070-2144 |
| Primary Part Number | 532185-3 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Preload Rating | 40.0 POUNDS NOMINAL LBS |
| Surface Finish | GROUND |
| Bearing Preload Designation | MEDIUM |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 2.6246 INCHES MINIMUM AND 2.6250 INCHES MAXIMUM IN |
| Load Direction | ANGULAR |
| Bore Diameter | 2.0622 INCHES MINIMUM AND 2.0626 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | GREASE LUBRICATION |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP 440C BALL |
| Lubrication Material Document and Classification | MIL-G-23827 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 |
|---|---|
| 532185-3 | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 3TAR33-42UDBLY196 | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
| AVN545WICRDUFS160 | 5/9 Secondary reference Timken Co Div the Timken Company |
| SR545TC-4/235 | 3/2 Design control — primary reference U.S. Government activity |
| 532185-3 | 7/2 Vendor item drawing reference U.S. Government activity |
| AVN545WICRDUFS+60 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-01-070-2144 is a Bearing,ball,duplex, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-070-2144 has 1 manufacturer part number on file: 532185-3 (Mpb Corp Div Timken Super Precision).
Key specifications for 532185-3: Retainer Fabrication Method: MACHINED; Bearing Preload Rating: 40.0 POUNDS NOMINAL LBS; Surface Finish: GROUND; Bearing Preload Designation: MEDIUM. 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.