The Bearing,roller,track Roller, cataloged under National Stock Number 3110-01-336-9938, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-336-9938 |
| Primary Part Number | AC60811 |
| Item Name | Bearing,roller,track Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rbc Aircraft Products, Inc. |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Outer Ring Width | 0.5650 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM IN |
| Crown Radius | 18.0000 INCHES NOMINAL IN |
| Style Designator | TRACK ROLLER |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE ROLLER |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 1.4990 INCHES MINIMUM AND 1.5010 INCHES MAXIMUM IN |
| Seal Quantity | 2 |
| Bore Diameter | 0.3118 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL COMP 440C ROLLER |
| Material | PLASTIC POLYESTER OR PLASTIC ACETAL SEAL |
| Material | STEEL COMP 615 OR STEEL COMP 420 WASHER |
| Inner Ring Width | 0.6150 INCHES MINIMUM AND 0.6250 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 | N |
| Part Number | Manufacturer |
|---|---|
| AC60811 PRIMARY | Rbc Aircraft Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| AC60811 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| 4D0125-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-336-9938 is a Bearing,roller,track Roller, manufactured by Rbc Aircraft Products, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-336-9938 has 1 manufacturer part number on file: AC60811 (Rbc Aircraft Products, Inc.).
Key specifications for AC60811: Bearing Seal Type: CONTACT; Outer Ring Width: 0.5650 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM IN; Crown Radius: 18.0000 INCHES NOMINAL IN; Style Designator: TRACK ROLLER. 16 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.