156878H1: BEARING,ROLLER,CYLINDRICAL.
The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 55.0 MILLIMETERS NOMINAL MM, overall_width: 1.9375 INCHES NOMINAL IN, surface_finish: GROUND, locating_feature: ONE DIRECTION. This part is cataloged in the U.S.
Government catalog under NSN 3110-00-409-9931, 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 | 55.0 MILLIMETERS NOMINAL MM |
| overall_width | 1.9375 INCHES NOMINAL IN |
| surface_finish | GROUND |
| locating_feature | ONE DIRECTION |
| style_designator | SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE |
| overall_outside_diameter | 120.0 MILLIMETERS NOMINAL MM |
| internal_fit-up_designation | STANDARD |
| retainer_fabrication_method | PRESSED |
| standard_tolerance_designation | RBEC NO.1 |
| NSN | 3110-00-409-9931 |
| RETAINER FABRICATION METHOD | PRESSED |
| INTERNAL FIT-UP DESIGNATION | STANDARD |
| LOCATING FEATURE | ONE DIRECTION |
| SURFACE FINISH | GROUND |
| STYLE DESIGNATOR | SINGLE ROW, ONE-DIRECTION LOCATING, ONE LIP INNER RING, TWO LIP OUTER RING, SEPARABLE |
| OVERALL WIDTH | 1.9375 INCHES NOMINAL IN |
| OVERALL OUTSIDE DIAMETER | 120.0 MILLIMETERS NOMINAL MM |
| BORE SHAPE | STRAIGHT |
| STANDARD TOLERANCE DESIGNATION | RBEC NO.1 |
| BORE DIAMETER | 55.0 MILLIMETERS NOMINAL MM |
No substitute or cross-reference records for this part.