The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-144-8145, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Cotta Transmission Co Llc. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-144-8145 |
| Primary Part Number | 80-XGX-1240 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Cotta Transmission Co Llc |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Bearing Preload Designation | LIGHT |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Overall Outside Diameter | 4.9213 INCHES NOMINAL IN |
| Features Provided | ALIGNING RING |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 2.7559 INCHES NOMINAL IN |
| Material | STEEL COMP E52100 BALL |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Material | PAPER AND PLASTIC PHENOLIC RETAINER |
| 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 |
|---|---|
| 80-XGX-1240 PRIMARY | Cotta Transmission Co Llc (USA) |
| 2MM214WIPRCDUL | Timken Co Div the Timken Company (USA) |
NSN 3110-01-144-8145 is a Bearing,ball,duplex, manufactured by Cotta Transmission Co Llc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-144-8145 has 2 manufacturer part numbers on file: 80-XGX-1240 (Cotta Transmission Co Llc), 2MM214WIPRCDUL (Timken Co Div the Timken Company).
Key specifications for 80-XGX-1240: Surface Finish: GROUND; Bearing Preload Designation: LIGHT; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING; Overall Width: 1.8898 INCHES NOMINAL IN. 12 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.