The Bearing,roller,needle, cataloged under National Stock Number 3110-01-186-8079, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Roller Bearing Company of America, Inc.. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-186-8079 |
| Primary Part Number | BACB10ET14 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Roller Bearing Company of America, Inc. |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Outer Ring Width | 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Surface Finish | GROUND |
| Crown Radius | 27.5 INCHES MINIMUM IN |
| Style Designator | TRACK ROLLER |
| Material Document and Classification | AMS6440 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 1.999 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN |
| Specification/standard Data | 81205-BACB10ET03 MANUFACTURERS SOURCE CONTROL |
| Alignment Type | RIGID |
| Surface Treatment | CADMIUM OVERALL |
| Seal Quantity | 2 |
| Bore Diameter | 1.219 INCHES MINIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Inner Ring Width | 1.060 INCHES MINIMUM AND 1.075 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 |
|---|---|
| BACB10ET14 PRIMARY | Roller Bearing Company of America, Inc. (USA) |
| BACB10ET14 PRIMARY | Rbc Aircraft Products, Inc. (USA) |
| BACB10ET14 PRIMARY | Accurate Bushing Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| BACB10ET14 | 5/1 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| ATF14 | 5/1 Secondary reference Timken Co Div the Timken Company |
| BACB10ET14 | 1/2 Source control — Government-approved source U.S. Government activity |
| AC47279 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| 14AFC1832 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| ATF14 | 5/1 Secondary reference Rbc Aircraft Products, Inc. |
| 14AFC1832/MS21438-114 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| BACB10ET14 | 3/2 Design control — primary reference U.S. Government activity |
| 4735570 PIECE 15 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| ATF14 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
NSN 3110-01-186-8079 is a Bearing,roller,needle, manufactured by Roller Bearing Company of America, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-186-8079 has 3 manufacturer part numbers on file: BACB10ET14 (Roller Bearing Company of America, Inc.), BACB10ET14 (Rbc Aircraft Products, Inc.), BACB10ET14 (Accurate Bushing Company, Inc.).
Key specifications for BACB10ET14: Bearing Seal Type: CONTACT; Outer Ring Width: 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN; Surface Finish: GROUND; Crown Radius: 27.5 INCHES MINIMUM 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.