The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-01-294-9500, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-294-9500 |
| Primary Part Number | 4W1203 |
| Item Name | Cup,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Style Designator | NORMAL ANGLE |
| Outside Diameter | 60.000 MILLIMETERS MAXIMUM MM |
| Backface Corner Radius | 1.3 MILLIMETERS MAXIMUM 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 |
|---|---|
| 4W1203 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| JL68111Z-K0541 PRIMARY | The Timken Corporation (USA) |
| 4W-1203 | Pon Equipment B.v. (NLD) |
| Reference | Meaning |
|---|---|
| JL68111Z-K05451 | 5/9 Secondary reference The Timken Corporation |
NSN 3110-01-294-9500 is a Cup,tapered Roller Bearing, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-294-9500 has 3 manufacturer part numbers on file: 4W1203 (Caterpillar Inc Div Caterpillar Defense), JL68111Z-K0541 (The Timken Corporation), 4W-1203 (Pon Equipment B.v.).
Key specifications for 4W1203: Retainer Fabrication Method: PRESSED; Style Designator: NORMAL ANGLE; Overall Width: 11.938 MILLIMETERS NOMINAL MM; Outside Diameter: 60.000 MILLIMETERS MAXIMUM MM. 5 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.