NSN 3110-01-287-2971
Part Details | DUPLEX BALL BEARING
3110-01-287-2971 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: 717801718001, 717801718-001, H561, 3110-01-287-2971, 01-287-2971, 3110012872971, 012872971
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | OCT 19, 1988 | 01-287-2971 | 30213 ( BEARING, BALL, DUPLEX ) |
REFERENCE DRAWINGS & PICTURES
NON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING
Cross Reference | NSN 3110-01-287-2971
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 717801718-001 | 04939 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| H561 | 40920 | MPB CORPORATIONDBA TIMKEN SUPER PRECISION |
Technical Data | NSN 3110-01-287-2971
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | NON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING |
| OVERALL WIDTH | 0.2500 INCHES NOMINAL |
| BORE DIAMETER | 0.1875 INCHES NOMINAL |
| OVERALL OUTSIDE DIAMETER | 0.3750 INCHES NOMINAL |
| LUBRICATION MATERIAL | OIL |
| LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | BRAYCO 815Z,CAGEC 04939 MFR REF SINGLE MATERIAL RESPONSE |
| STANDARD TOLERANCE DESIGNATION | ABEC NO. 5P |
| SURFACE FINISH | GROUND |
| RETAINER FABRICATION METHOD | PRESSED |
| SHIELD QUANTITY | 4 |
| LOAD DIRECTION | RADIAL |
| BEARING PRELOAD RATING | ASB1.75 POUNDS AND ASC2.25 POUNDS |
| SPECIAL FEATURES | EACH BEARING LUBRICATED WITH ONE DROP FROM NO. 26 HYPODERMIC NEEDLE WITH SPECIFIED LUBE |