NSN 3110-01-030-4939
Part Details | DUPLEX BALL BEARING
3110-01-030-4939 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: 3TCRS1421UDB1704, 3TCRS14-21UDB1704, SR540PTC31ABEC7, SR540PTC3-1-ABEC7, 901815, AMVW540KDCRVDBFS171, 3110-01-030-4939, 01-030-4939, 3110010304939, 010304939
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | NOV 07, 1976 | 01-030-4939 | 30213 ( BEARING, BALL, DUPLEX ) |
REFERENCE DRAWINGS & PICTURES
COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
Cross Reference | NSN 3110-01-030-4939
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3TCRS14-21UDB1704 | 78118 | MPB CORPORATIONDBA TIMKEN AEROSPACE |
| SR540PTC3-1-ABEC7 | 83086 | NEW HAMPSHIRE BALL BEARINGS, INC.DIV HITECH DIVISION |
| 901815 | 82577 | RAYTHEON COMPANYDBA RAYTHEON |
| AMVW540KDCRVDBFS171 | 21335 | TIMKEN COMPANY, THEDIV TIMKEN AEROSPACE |
Technical Data | NSN 3110-01-030-4939
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| OVERALL WIDTH | 0.5570 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM |
| BORE DIAMETER | 0.8748 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM |
| OVERALL OUTSIDE DIAMETER | 1.3121 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM |
| LUBRICATION MATERIAL | OIL |
| LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE |
| STANDARD TOLERANCE DESIGNATION | ABEC NO.7 |
| SURFACE FINISH | GROUND |
| RETAINER FABRICATION METHOD | MACHINED |
| SHIELD QUANTITY | 2 |
| LOAD DIRECTION | RADIAL |
| INTERNAL CLEARANCE | R0.0003 INCHES MINIMUM AND R0.0008 INCHES MAXIMUM |
| BEARING PRELOAD RATING | ASA4.0 POUNDS |