The Bearing,roller,track Roller, cataloged under National Stock Number 3110-01-140-7840, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rbc Aircraft Products, Inc.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-140-7840 |
| Primary Part Number | AE52702 |
| Item Name | Bearing,roller,track Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rbc Aircraft Products, Inc. |
| Status | ACTIVE |
| Bearing Seal Type | CONTACTCONTACT |
| Lubrication Material | GREASEGREASE |
| Outer Ring Width | 0.9350 INCHES MINIMUM AND 0.9350 INCHES MINIMUM AND 0.9400 INCHES MAXIMUM0.9400 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE INNER RINGPASSIVATE INNER RING |
| Surface Treatment | PASSIVATE OUTER RINGPASSIVATE OUTER RING |
| Surface Treatment | PASSIVATE ROLLERPASSIVATE ROLLER |
| Surface Treatment | PASSIVATE WASHERPASSIVATE WASHER |
| Seal Quantity | 22 |
| Bore Diameter | 0.2490 INCHES MINIMUM AND 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM0.2500 INCHES MAXIMUM IN |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSEMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.9900 INCHES MINIMUM AND 0.9900 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM1.0000 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 |
NSN 3110-01-140-7840 is a Bearing,roller,track Roller, manufactured by Rbc Aircraft Products, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-140-7840 has 2 manufacturer part numbers on file: ST4M206-4 (The Boeing Company Div Defense), AE52702 (Rbc Aircraft Products, Inc.).
Key specifications for AE52702: Bearing Seal Type: CONTACTCONTACT; Lubrication Material: GREASEGREASE; Outer Ring Width: 0.9350 INCHES MINIMUM AND 0.9350 INCHES MINIMUM AND 0.9400 INCHES MAXIMUM0.9400 INCHES MAXIMUM IN; Special Features: 80 PCT FULL OF SPECIFIED LUBRICANT; SEAL COLOR-ORANGE80 PCT FULL OF SPECIFIED LUBRICANT; SEAL COLOR-ORANGE. 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.