Part Details | DUPLEX BALL BEARING
3110-00-156-8139 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: 7311DB, 3110-00-156-8139, 00-156-8139, 3110001568139, 001568139
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | JAN 01, 1961 | 00-156-8139 | 30213 ( BEARING, BALL, DUPLEX ) |
REFERENCE DRAWINGS & PICTURES
COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
Cross Reference | NSN 3110-00-156-8139
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7311DB | 38443 | SKF USA INC.DBA SKF AEROENGINE NORTH AMERICA |
Technical Data | NSN 3110-00-156-8139
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| OVERALL WIDTH | 58.0 MILLIMETERS NOMINAL |
| BORE DIAMETER | 55.00 MILLIMETERS NOMINAL |
| OVERALL OUTSIDE DIAMETER | 120.00 MILLIMETERS NOMINAL |
| STANDARD TOLERANCE DESIGNATION | ABEC NO.1 |
| SURFACE FINISH | GROUND |
| RETAINER FABRICATION METHOD | PRESSED |
| LOAD DIRECTION | ANGULAR |
| BEARING PRELOAD DESIGNATION | LIGHT |
| SPECIAL FEATURES | ANGULARITY GREATER THAN 25 DEG |