The Bearing,ball,track Roller, cataloged under National Stock Number 3110-01-035-4338, 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 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-035-4338 |
| Primary Part Number | 220-28502-101 |
| Item Name | Bearing,ball,track Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.2140 INCHES MINIMUM AND 0.2190 INCHES MAXIMUM IN |
| Crown Radius | 0.8020 INCHES MINIMUM AND 0.8120 INCHES MAXIMUM IN |
| Style Designator | SINGLE ROW RIGID, CROWNED OD INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 0.7980 INCHES MINIMUM AND 0.8000 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Seal Quantity | 2 |
| Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | STEEL INNER RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | STEEL BALL |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.2760 INCHES MINIMUM AND 0.2810 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 |
|---|---|
| 220-28502-101 PRIMARY | Timken Co Div the Timken Company (USA) |
| Reference | Meaning |
|---|---|
| KP4AR13AXXXX | 5/9 Secondary reference Timken Co Div the Timken Company |
| 220-28502-101 | 7/2 Vendor item drawing reference U.S. Government activity |
| KP4AR13FS464 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-01-035-4338 is a Bearing,ball,track Roller, manufactured by Timken Co Div the Timken Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-035-4338 has 1 manufacturer part number on file: 220-28502-101 (Timken Co Div the Timken Company).
Key specifications for 220-28502-101: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.2140 INCHES MINIMUM AND 0.2190 INCHES MAXIMUM IN; Crown Radius: 0.8020 INCHES MINIMUM AND 0.8120 INCHES MAXIMUM IN. 14 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.