The 618840 is a the manufacturer industrial component. Key specifications include material: STEEL BALL, bore_shape: STRAIGHT, bore_diameter: 40.00 MILLIMETERS NOMINAL MM, overall_width: 11.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System under NSN 6140-00-383-4399, 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 BALL |
| bore_shape | STRAIGHT |
| bore_diameter | 40.00 MILLIMETERS NOMINAL MM |
| overall_width | 11.0 MILLIMETERS NOMINAL MM |
| load_direction | RADIAL |
| surface_finish | GROUND |
| style_designator | LOADING GROOVE, NON-SEPARABLE |
| overall_outside_diameter | 8.00 MILLIMETERS NOMINAL MM |
| internal_fit-up_designation | STANDARD |
| standard_tolerance_designation | ABEC NO.1 |
| NSN | 6140-00-383-4399 |