The MacBook Pro 13 inch laptop is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OR STEEL RETAINER, bore_diameter: 0.6246 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN, overall_width: 0.7550 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN, alignment_type: RIGID, surface_finish: GROUND, special_features: OIL HOLES AND OIL GROOVE IN OUTER AND INNER RINGS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-1389, 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 | COPPER ALLOY OR STEEL RETAINER |
| bore_diameter | 0.6246 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| overall_width | 0.7550 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN |
| alignment_type | RIGID |
| surface_finish | GROUND |
| special_features | OIL HOLES AND OIL GROOVE IN OUTER AND INNER RINGS |
| style_designator | SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND |
| overall_outside_diameter | 1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN |
| retainer_fabrication_method | PRESSED |
| standard_tolerance_designation | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| NSN | 3110-00-198-1389 |
| BORE DIAMETER | 1.5000 INCHES NOMINAL IN |
| OVERALL WIDTH | 1.2500 INCHES NOMINAL IN |
| MATERIAL | STEEL OVERALL |
| STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| SURFACE FINISH | GROUND |
| OVERALL OUTSIDE DIAMETER | 1.7500 INCHES NOMINAL IN |
| STYLE DESIGNATOR | SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE |
| SPECIAL FEATURES | WITH OIL HOLE AND OIL GROOVE |
| BORE SHAPE | STRAIGHT |