NSN 3110-00-947-0078
Part Details | DUPLEX BALL BEARING
3110-00-947-0078 Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.
Alternate Parts: 3TAWR121963, 3TAWR12-19-63, 3TAWR121963, 3TAWR12-19-63, 4225, 9720730002, 972073-0002, 3110-00-947-0078, 00-947-0078, 3110009470078, 009470078
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | MAR 23, 1966 | 00-947-0078 | 30213 ( BEARING, BALL, DUPLEX ) |
REFERENCE DRAWINGS & PICTURES
COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
Cross Reference | NSN 3110-00-947-0078
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3TAWR12-19-63 | 78118 | MPB CORPORATIONDBA TIMKEN AEROSPACE |
| 3TAWR12-19-63 | 40920 | MPB CORPORATIONDBA TIMKEN SUPER PRECISION |
| 4225 | 83086 | NEW HAMPSHIRE BALL BEARINGS, INC.DIV HITECH DIVISION |
| 972073-0002 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NAVIGATION AND MARITIME SYSTEMS |
Technical Data | NSN 3110-00-947-0078
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING |
| OVERALL WIDTH | 0.5000 INCHES NOMINAL |
| BORE DIAMETER | 0.7500 INCHES NOMINAL |
| OVERALL OUTSIDE DIAMETER | 1.1875 INCHES NOMINAL |
| STANDARD TOLERANCE DESIGNATION | ABEC NO.7 |
| SURFACE FINISH | GROUND |
| RETAINER FABRICATION METHOD | MACHINED |
| SHIELD QUANTITY | 1 |
| LOAD DIRECTION | ANGULAR |
| BEARING PRELOAD RATING | 25.0 POUNDS NOMINAL |
| SPECIAL FEATURES | MAX STARTING TORQUE 50 GM CM |
