Part Number
Part Number:
NSN:
NIIN:
Item Name:
BEARING , BALL , DUPLEX
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |
Federal Supply Class
Title
BEARINGS, ANTIFRICTION, UNMOUNTE
Inclusions:
INCLUDES BALL BEARINGS; ROLLER BEARINGS; BALLS; RACES.
Exclusions:
EXCLUDES PLAIN BEARINGS (FSC 3120); JEWEL BEARINGS (FSC 3120)
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AGYW | BEARING SEAL TYPE | CONTACT |
| AGYW | BEARING SEAL TYPE | CONTACT |
| AGYE | SURFACE FINISH | GROUND |
| MATT | MATERIAL | STEEL COMP 440C INNER RING |
| CTHQ | BEARING PRELOAD RATING | 55.0 POUNDS NOMINAL |
| MATT | MATERIAL | RUBBER FLUOROSILICONE CLASS FQ SEAL |
| AGZC | LOAD DIRECTION | ANGULAR |
| MATT | MATERIAL | STEEL COMP 440C OUTER RING |
| ADZG | LUBRICATION MATERIAL | GREASE |
| MATT | MATERIAL | PLASTIC PHENOLIC RETAINER |
| FEAT | SPECIAL FEATURES | WIDTH OF UNSEALED BEARING IS 0.2460 IN.,CONTACT ANGLE OF 15 DEG MIN TO 20 DEG MAX,SEALED SIDE OF BEARING FACES OUTSIDE |
| AGYJ | SEAL QUANTITY | 1 |
| ABMK | ||
| MATT | MATERIAL | STEEL COMP 440C BALL |
| ABXV | BORE DIAMETER | 2.3125 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-25988,TY 2,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE SEAL |
| AGYF | RETAINER FABRICATION METHOD | MACHINED |
| ADGA | OVERALL OUTSIDE DIAMETER | 2.8750 INCHES NOMINAL |
| CTFZ | STANDARD TOLERANCE DESIGNATION | ABEC NO.5 |