3TKR21-28U: BEARING,BALL,ANNULAR.
The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OVERALL, bore_shape: STRAIGHT, bore_diameter: 1.3125 INCHES NOMINAL IN, overall_width: 0.2500 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.
Government catalog under NSN 3110-01-347-0286, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL COMP 440C OVERALL |
| bore_shape | STRAIGHT |
| bore_diameter | 1.3125 INCHES NOMINAL IN |
| overall_width | 0.2500 INCHES NOMINAL IN |
| load_direction | RADIAL |
| surface_finish | GROUND |
| style_designator | NON-LOADING GROOVE, NON-SEPARABLE |
| lubrication_material | OIL LUBRICATING |
| overall_outside_diameter | 1.7500 INCHES NOMINAL IN |
| specification/standard_data | 40920-3TKR21-28U PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| standard_tolerance_designation | ABEC NO. 5T |
| lubrication_material_document_and_classification | MIL-L-6085A MIL SPEC SINGLE MATERIAL RESPONSE A |
| NSN | 3110-01-347-0286 |
| LUBRICATION MATERIAL | OIL LUBRICATING |
| SURFACE FINISH | GROUND |
| STYLE DESIGNATOR | NON-LOADING GROOVE, NON-SEPARABLE |
| OVERALL WIDTH | 0.2500 INCHES NOMINAL IN |
| OVERALL OUTSIDE DIAMETER | 1.7500 INCHES NOMINAL IN |
| BORE SHAPE | STRAIGHT |
| SPECIFICATION/STANDARD DATA | 40920-3TKR21-28U PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| LOAD DIRECTION | RADIAL |
| STANDARD TOLERANCE DESIGNATION | ABEC NO. 5T |
| BORE DIAMETER | 1.3125 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.