Part Details | ANNULAR BALL BEARING
3110-00-989-1285 A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see BEARING, BALL, DUPLEX. Excludes BEARING, BALL, AIRFRAME.
Alternate Parts: 3TWF1219, 3TWF12-19, 9986934, 3110-00-989-1285, 00-989-1285, 3110009891285, 009891285
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | JAN 01, 1962 | 00-989-1285 | 00014 ( BEARING, BALL, ANNULAR ) |
REFERENCE DRAWINGS & PICTURES
NON-LOADING GROOVE, NON-SEPARABLE
Cross Reference | NSN 3110-00-989-1285
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3TWF12-19 | 78118 | MPB CORPORATIONDBA TIMKEN AEROSPACE |
| 9986934 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 3110-00-989-1285
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | NON-LOADING GROOVE, NON-SEPARABLE |
| BORE DIAMETER | 0.7498 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM |
| OVERALL OUTSIDE DIAMETER | 0.1870 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM |
| OUTER RING WIDTH | 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM |
| INNER RING WIDTH | 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM |
| LUBRICATION MATERIAL | GREASE |
| BORE SHAPE | STRAIGHT |
| SURFACE FINISH | UNGROUND |
| ALIGNMENT TYPE | SELF-ALIGNING |
| SELF-ALIGNMENT LOCATION | INTERNAL |
| LOAD DIRECTION | RADIAL |
| INTERNAL FIT-UP DESIGNATION | STANDARD |