The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 50.0 MILLIMETERS NOMINAL MM, overall_width: 27.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, special_features: NO(E. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-112-1273, 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 OVERALL |
| bore_shape | STRAIGHT |
| bore_diameter | 50.0 MILLIMETERS NOMINAL MM |
| overall_width | 27.0 MILLIMETERS NOMINAL MM |
| surface_finish | GROUND |
| special_features | NO(E |
| style_designator | INNER RING, ROLLER, SINGLE LIP |
| smallest_outside_diameter | 2.5648 INCHES NOMINAL IN |
| standard_tolerance_designation | RBEC NO.1 |
| NSN | 3110-00-112-1273 |
| SMALLEST OUTSIDE DIAMETER | 2.5648 INCHES NOMINAL IN |
| STANDARD TOLERANCE DESIGNATION | RBEC NO.1 |
| BORE DIAMETER | 50.0 MILLIMETERS NOMINAL MM |
| SPECIAL FEATURES | NO(E |
| SURFACE FINISH | GROUND |
| STYLE DESIGNATOR | INNER RING, ROLLER, SINGLE LIP |
| MATERIAL | STEEL OVERALL |
| BORE SHAPE | STRAIGHT |
| OVERALL WIDTH | 27.0 MILLIMETERS NOMINAL MM |