The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-00-100-0656, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rbc Bearings Incorporated Div West Trenton Division. Government technical data includes 6 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-100-0656 |
| Primary Part Number | 624 |
| Item Name | Cone and Rollers,tapered Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rbc Bearings Incorporated Div West Trenton Division |
| Status | ACTIVE |
| Style Designator | NORMAL ANGLE |
| Cone Corner Radius | 0.0312 INCHES NOMINAL IN |
| Cone Width | 1.6250 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 2.1250 INCHES NOMINAL IN |
| 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 |
|---|---|
| 624 PRIMARY | Rbc Bearings Incorporated Div West Trenton Division (USA) |
| 624 PRIMARY | Ntn Bearing Corporation of America (USA) |
| 624 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 705789 | 5/1 Secondary reference Army Weapons Command Attn Amswe-Ree-S |
| 62X188 | 5/1 Secondary reference U.S. Government activity |
| 62AX188 | 5/9 Secondary reference Mack Trucks Inc |
| BT624 | 5/9 Secondary reference Federal-Mogul Corp Government Sales Dept |
| FF-B-187A | 4/1 Identification reference U.S. Government activity |
| 62AX188 | 5/1 Secondary reference U.S. Government activity |
| 624 | 5/9 Secondary reference Tyson Bearing Co Div Skf Industries Inc |
NSN 3110-00-100-0656 is a Cone and Rollers,tapered Roller, manufactured by Rbc Bearings Incorporated Div West Trenton Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-100-0656 has 3 manufacturer part numbers on file: 624 (Rbc Bearings Incorporated Div West Trenton Division), 624 (Ntn Bearing Corporation of America), 624 (The Timken Corporation).
1 possible match (shared part number, not a government interchangeability claim): 1650-00-147-3046. Verify interchangeability with system specifications before substitution.
Key specifications for 624: Style Designator: NORMAL ANGLE; Cone Corner Radius: 0.0312 INCHES NOMINAL IN; Cone Width: 1.6250 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2. 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.