The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-01-034-1888, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-034-1888 |
| Primary Part Number | JM515610 |
| Item Name | Cup,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Style Designator | NORMAL ANGLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 130.0 MILLIMETERS NOMINAL MM |
| Backface Corner Radius | 2.5 MILLIMETERS NOMINAL MM |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| JM515610 | Meritor Industrial Products, Llc (USA) |
| JM515610 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 35000805 | 5/9 Secondary reference Fairfield Manufacturing Company, Inc. Dba Dana Fairfield |
| 247614 | 5/9 Secondary reference Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
| JM515610 | 5/9 Secondary reference Federal-Mogul Corp Government Sales Dept |
| JD9156 | 5/9 Secondary reference Deere & Company Dba Deere John Co |
| 247614 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 70927348 | 5/9 Secondary reference Kalmar AC Inc |
| 927348 | 5/9 Secondary reference Kalmar AC Inc |
NSN 3110-01-034-1888 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-034-1888 has 2 manufacturer part numbers on file: JM515610 (Meritor Industrial Products, Llc), JM515610 (The Timken Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-399-1659. Verify interchangeability with system specifications before substitution.
Key specifications for JM515610: Style Designator: NORMAL ANGLE; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 28.5 MILLIMETERS NOMINAL MM; Outside Diameter: 130.0 MILLIMETERS NOMINAL MM. 6 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.