Part Details | AIRFRAME BALL BEARING
3110-00-012-3971 A cylindrical item in which the inner or outer ring turns upon row(s) of hardened BALL, BEARING which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes BEARING, BALL, ANNULAR.
Alternate Parts: 640004, 64000-4, 3TWL2532U, 3TWL25-32U, S2532BISTE7P515LY196, 3110-00-012-3971, 00-012-3971, 3110000123971, 000123971
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | APR 22, 1967 | 00-012-3971 | 00041 ( BEARING, BALL, AIRFRAME ) |
REFERENCE DRAWINGS & PICTURES
SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
Cross Reference | NSN 3110-00-012-3971
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 64000-4 | 22871 | JASIK LABORATORIES INC |
| 3TWL25-32U | 78118 | MPB CORPORATIONDBA TIMKEN AEROSPACE |
| S2532BISTE7P515LY196 | 40920 | MPB CORPORATIONDBA TIMKEN SUPER PRECISION |
Technical Data | NSN 3110-00-012-3971
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE |
| BORE DIAMETER | 1.5622 INCHES MINIMUM AND 1.5625 INCHES MAXIMUM |
| OVERALL OUTSIDE DIAMETER | 1.9996 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM |
| OUTER RING WIDTH | 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM |
| INNER RING WIDTH | 0.2800 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM |
| LUBRICATION MATERIAL | GREASE |
| LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| LOAD DIRECTION | RADIAL |
| SPECIAL FEATURES | FRACTURED OUTER RING WITH 2 STAINLESS STEEL RETAINING RINGS,POLYTETRAFLUOROETHYLENE SPACER SLUGS,INTEGRAL SHIELDS |