The Bearing,ball,annular, cataloged under National Stock Number 3110-00-157-2091, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-157-2091 |
| Primary Part Number | ENJ17-1PC44 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Outer Ring Width | 0.4430 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Overall Outside Diameter | 62.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Contact Angle | 60.0 DEGREES NOMINAL |
| Load Direction | ANGULAR |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 30.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | COPPER ALLOY RETAINER |
| Material | STEEL BALL |
| Inner Ring Width | 0.5250 INCHES NOMINAL IN |
| 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 |
|---|---|
| ENJ17-1PC44 PRIMARY | Cooper Machinery Services Llc (USA) |
| 2617 PRIMARY | Cooper Machinery Services Llc (USA) |
| 72-58500-839 PRIMARY | Fairbanks Morse, Llc (USA) |
| ENE17-1PC44 PRIMARY | Cooper Machinery Services Llc (USA) |
| ENF17-1PC44 PRIMARY | Cooper Machinery Services Llc (USA) |
| H0206 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| END17-1PC44 PRIMARY | Cooper Machinery Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 2617 | 5/9 Secondary reference U.S. Government activity |
| H0206ND | 3/2 Design control — primary reference U.S. Government activity |
| ENF17-1PC44 | 5/9 Secondary reference U.S. Government activity |
| A3220PC44 | 5/9 Secondary reference U.S. Government activity |
| ENE17-1PC44 | 5/9 Secondary reference U.S. Government activity |
| H0206 | 5/9 Secondary reference General Motors Corp |
| A3064PC40 | 5/9 Secondary reference U.S. Government activity |
| NS1053PC44 | 5/9 Secondary reference U.S. Government activity |
| 72-58500-839 | 5/9 Secondary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
| ENJ17-1PC44 | 5/9 Secondary reference U.S. Government activity |
| A2961PC44 | 5/9 Secondary reference U.S. Government activity |
| END17-1PC44 | 5/9 Secondary reference U.S. Government activity |
| H20206 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| 72-58500-839 | 5/9 Secondary reference U.S. Government activity |
| H0206 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| H0206 | 5/9 Secondary reference U.S. Government activity |
| NS1053PC44 | 5/9 Secondary reference Armco Inc Nation Supply Co |
NSN 3110-00-157-2091 is a Bearing,ball,annular, manufactured by Cooper Machinery Services Llc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-157-2091 has 7 manufacturer part numbers on file: ENJ17-1PC44 (Cooper Machinery Services Llc), 2617 (Cooper Machinery Services Llc), 72-58500-839 (Fairbanks Morse, Llc), ENE17-1PC44 (Cooper Machinery Services Llc), ENF17-1PC44 (Cooper Machinery Services Llc) and 2 more.
9 possible matches (shared part number, not a government interchangeability claim): 3040-00-426-1884, 3120-00-441-9875, 5905-00-763-6572. Verify interchangeability with system specifications before substitution.
Key specifications for ENJ17-1PC44: Retainer Fabrication Method: MACHINED; Outer Ring Width: 0.4430 INCHES NOMINAL IN; Surface Finish: GROUND; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE. 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.