The Bearing,roller,track Roller, cataloged under National Stock Number 3110-01-366-1298, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Ina Bearing Co. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-366-1298 |
| Primary Part Number | NATR25PPX |
| Item Name | Bearing,roller,track Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Ina Bearing Co |
| Status | ACTIVE |
| Outer Ring Width | 24.0 MILLIMETERS NOMINAL MM |
| Style Designator | CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE |
| Overall Outside Diameter | 52.0 MILLIMETERS NOMINAL MM |
| Bore Diameter | 25.0 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL END PLATE |
| Material | RUBBER SEAL |
| Material | STEEL ROLLER |
| Material | STEEL CAGE |
| Inner Ring Width | 25.0 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 |
|---|---|
| NATR25PPX | Ina Bearing Co (USA) |
| Reference | Meaning |
|---|---|
| MCYRR25SX | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-366-1298 is a Bearing,roller,track Roller, manufactured by Ina Bearing Co, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-366-1298 has 1 manufacturer part number on file: NATR25PPX (Ina Bearing Co).
Key specifications for NATR25PPX: Outer Ring Width: 24.0 MILLIMETERS NOMINAL MM; Style Designator: CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE; Overall Outside Diameter: 52.0 MILLIMETERS NOMINAL MM; Bore Diameter: 25.0 MILLIMETERS NOMINAL MM. 11 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.