The Bearing,ball,track Roller, cataloged under National Stock Number 3110-01-171-1863, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Co Div the Timken Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-171-1863 |
| Primary Part Number | YCR-14 |
| Item Name | Bearing,ball,track Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Style Designator | TRACK ROLLER |
| Overall Outside Diameter | 0.8740 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN |
| Bore Diameter | 0.2496 INCHES MINIMUM AND 0.2502 INCHES MAXIMUM IN |
| Inner Ring Width | 0.5525 INCHES MINIMUM AND 0.5675 INCHES MAXIMUM IN |
| 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 |
|---|---|
| YCR-14 PRIMARY | Timken Co Div the Timken Company (USA) |
| Reference | Meaning |
|---|---|
| YCR-14 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
NSN 3110-01-171-1863 is a Bearing,ball,track Roller, manufactured by Timken Co Div the Timken Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-171-1863 has 1 manufacturer part number on file: YCR-14 (Timken Co Div the Timken Company).
Key specifications for YCR-14: Lubrication Material: GREASE; Outer Ring Width: 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Style Designator: TRACK ROLLER; Overall Outside Diameter: 0.8740 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN. 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.