The Bearing,ball,track Roller, cataloged under National Stock Number 3110-00-143-3001, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Schatz Bearing Corporation Dba Schatz Bearing Corp. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-143-3001 |
| Primary Part Number | K3LR48-1L1 |
| Item Name | Bearing,ball,track Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Schatz Bearing Corporation Dba Schatz Bearing Corp |
| Status | CANCELLED |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.2030 INCHES NOMINAL IN |
| Shield Quantity | 2 |
| Crown Radius | 3.0150 INCHES NOMINAL IN |
| Style Designator | SINGLE ROW RIGID, CROWNED OD INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 0.6870 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM EXPOSED SURFACES AS MOUNTED |
| Bore Diameter | 0.1900 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL BALL |
| Material | STEEL CORROSION RESISTING SHIELD |
| Lubrication Material Document and Classification | MIL-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.2450 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9093669 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| K3LR48FS160 | Rbc Aircraft Products, Inc. (USA) |
| 7973875 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| K3LR48-1L1 PRIMARY | Schatz Bearing Corporation Dba Schatz Bearing Corp (USA) |
| Reference | Meaning |
|---|---|
| 7973875 | 5/9 Secondary reference Feinmechanische Werke Mainz Gmbh |
| K3LR48FS160 | 5/9 Secondary reference Timken Co Div the Timken Company |
| CT134 | 5/9 Secondary reference Cadillac Gage Textron Inc. |
| K3LR48FS50000 | 5/9 Secondary reference Timken Co Div the Timken Company |
| 7973875 | 5/9 Secondary reference Liebherr-Aerospace Lindenberg Gmbh |
| 3110001433001 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| K3LR48FS10000 | 5/9 Secondary reference Timken Co Div the Timken Company |
| K3LR48 | 5/9 Secondary reference Timken Co Div the Timken Company |
| K3LR48MILG3278 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-143-3001 is a Bearing,ball,track Roller, manufactured by Schatz Bearing Corporation Dba Schatz Bearing Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: cancelled.
NSN 3110-00-143-3001 has 4 manufacturer part numbers on file: 9093669 (U S Army Tank Automotive Command Amsta-Im-Mm), K3LR48FS160 (Rbc Aircraft Products, Inc.), 7973875 (U S Army Tank Automotive Command Amsta-Im-Mm), K3LR48-1L1 (Schatz Bearing Corporation Dba Schatz Bearing Corp).
1 possible match (shared part number, not a government interchangeability claim): 4320-00-200-9080. Verify interchangeability with system specifications before substitution.
Key specifications for K3LR48-1L1: Lubrication Material: GREASE; Outer Ring Width: 0.2030 INCHES NOMINAL IN; Shield Quantity: 2; Crown Radius: 3.0150 INCHES NOMINAL 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.
NSN 3110-00-143-3001 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.