The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-081-6201, 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 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-081-6201 |
| Primary Part Number | 11507948 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Bearing Preload Rating | 50.0 POUNDS NOMINAL LBS |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 2.8746 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN |
| Load Direction | ANGULAR |
| Standard Tolerance Designation | ABEC NO. 5T |
| Bore Diameter | 2.3121 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP 440C BALL |
| Material | OIL LUBRICATING LUBRICATION |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SHIELD |
| Lubrication Material Document and Classification | MIL-L-6085 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 |
|---|---|
| 11507948 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| 11507948 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| 11507948 PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
| Reference | Meaning |
|---|---|
| 11507948 | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
| 13617201 | 5/1 Secondary reference Kaydon Corporation Dba Kaydon Corp |
| 11507948 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| 3TKRD37-46-132 | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
| SN546STA5DB50 | 5/1 Secondary reference Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| 3TKRD37-46-132 | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
NSN 3110-01-081-6201 is a Bearing,ball,duplex, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-081-6201 has 3 manufacturer part numbers on file: 11507948 (Mpb Corp Div Timken Super Precision), 11507948 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), 11507948 (Kaydon Corporation Dba Kaydon Corp).
Key specifications for 11507948: Bearing Preload Rating: 50.0 POUNDS NOMINAL LBS; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Shield Quantity: 2. 17 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.