The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-259-1633, 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 9 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-00-259-1633 |
| Primary Part Number | JM720249JM720210 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Cup Width | 28.0 MILLIMETERS NOMINAL MM |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 155.0 MILLIMETERS NOMINAL MM |
| Backface Corner Radius | 0.1000 INCHES NOMINAL IN |
| Cone Corner Radius | 3.0 MILLIMETERS NOMINAL MM |
| Standout Width | 8.0 MILLIMETERS NOMINAL MM |
| Cone Width | 35.0 MILLIMETERS NOMINAL MM |
| Bore Diameter | 100.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| JM720249JM720210 | Ntn Bearing Corporation of America (USA) |
| JM20249JM720210 | The Timken Company (FRA) |
| JM720249JM720210 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2D3-978 ITEM 64 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
| DS3225-23 | 5/9 Secondary reference U.S. Government activity |
| D304821-43 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
| 325420587 | 5/9 Secondary reference Ramco Div Richier |
| D304821-43 | 5/1 Secondary reference Control Flow, Inc. Dba Control Flow Inc |
| 31345 ITEM 40 | 5/1 Secondary reference Lake Shore Systems, Inc. |
NSN 3110-00-259-1633 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-259-1633 has 3 manufacturer part numbers on file: JM720249JM720210 (Ntn Bearing Corporation of America), JM20249JM720210 (The Timken Company), JM720249JM720210 (The Timken Corporation).
Key specifications for JM720249JM720210: Retainer Fabrication Method: PRESSED; Cup Width: 28.0 MILLIMETERS NOMINAL MM; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 36.0 MILLIMETERS NOMINAL MM. 9 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.