Part Details | DUPLEX BALL BEARING
3110-00-140-2983 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: 1310377001, 131-0377-001, 2MM207WICRDB, 3110-00-140-2983, 00-140-2983, 3110001402983, 001402983
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
31 | SEP 01, 1971 | 00-140-2983 | 30213 ( BEARING, BALL, DUPLEX ) |
REFERENCE DRAWINGS & PICTURES
COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING

Cross Reference | NSN 3110-00-140-2983
Part Number | Cage Code | Manufacturer |
---|---|---|
131-0377-001 | 81755 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
2MM207WICRDB | 21335 | TIMKEN COMPANY, THEDIV TIMKEN AEROSPACE |
Technical Data | NSN 3110-00-140-2983
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
OVERALL WIDTH | 34.0 MILLIMETERS NOMINAL |
BORE DIAMETER | 35.00 MILLIMETERS NOMINAL |
OVERALL OUTSIDE DIAMETER | 72.00 MILLIMETERS NOMINAL |
STANDARD TOLERANCE DESIGNATION | ABEC NO.7 |
SURFACE FINISH | GROUND |
RETAINER FABRICATION METHOD | MACHINED |
LOAD DIRECTION | ANGULAR |
INTERNAL FIT-UP DESIGNATION | STANDARD |