The Cone,tapered Roller Bearing, cataloged under National Stock Number 3110-01-641-8161, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-641-8161 |
| Primary Part Number | 31306 J2/Q |
| Item Name | Cone,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Style Designator | NORMAL ANGLE |
| Cone Corner Radius | 14.0 MILLIMETERS NOMINAL MM |
| Cone Width | 20.7 MILLIMETERS NOMINAL MM |
| Standard Tolerance Designation | AFBMA CLASS 4 |
| Bore Diameter | 30.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 31306 J2/Q PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| F138383 REV B ITEM NO 13 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 3110-01-641-8161 is a Cone,tapered Roller Bearing, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-641-8161 has 1 manufacturer part number on file: 31306 J2/Q (Skf Usa Inc.).
Key specifications for 31306 J2/Q: Style Designator: NORMAL ANGLE; Cone Corner Radius: 14.0 MILLIMETERS NOMINAL MM; Cone Width: 20.7 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: TAPERED ROLLER BEARING,SINGLE ROW. 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.