The BEARING,BALL,ANNULAR is a Lena industrial component. Key specifications include material: RUBBER SYNTHETIC, hole_diameter: 0.390 INCHES NOMINAL IN, outside_diameter: 12.250 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: FLAT, bolt_hole_quantity: 14. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6738, 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 | RUBBER SYNTHETIC |
| hole_diameter | 0.390 INCHES NOMINAL IN |
| outside_diameter | 12.250 INCHES NOMINAL IN |
| special_features | WEAPON SYSTEM ESSENTIAL |
| style_designator | FLAT |
| bolt_hole_quantity | 14 |
| material_thickness | 0.065 INCHES NOMINAL IN |
| bolt_circle_diameter | 11.500 INCHES NOMINAL IN |
| center_hole_diameter | 1.000 INCHES NOMINAL IN |
| end_item_identification | STURGEON CLASS SSN (637) |
| criticality_code_justification | FEAT |
| NSN | 3110-00-155-6738 |
| MATERIAL | STEEL INNER RING |
| OVERALL WIDTH | 20.0 MILLIMETERS NOMINAL MM |
| SHIELD QUANTITY | 2 |
| SURFACE FINISH | GROUND |
| LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE |
| STANDARD TOLERANCE DESIGNATION | ABEC NO.1 |
| LUBRICATION MATERIAL | GREASE |
| BORE SHAPE | STRAIGHT |
| LOAD DIRECTION | RADIAL |
| INTERNAL FIT-UP DESIGNATION | STANDARD |