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National Stock Number:
3110-00-946-8276
Federal Supply Class:
3110
National Item Identification Number:
009468276
Description:
BEARING,BALL,ANNULAR
Detail:
A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see BEARING, BALL, DUPLEX. Excludes BEARING, BALL, AIRFRAME.
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Manufacturer Information:
| 972091-1 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | D140 | 40920 | MPB CORP | | MMF21W0VM7-2CRVE | 21335 | TIMKEN CO | | D354 | 40920 | MPB CORP | | Z560X21-972091-0001 | 70854 | SCHAEFFLER AEROSPACE USA CORP | | Z560X21V12-0-12DD | 70854 | SCHAEFFLER AEROSPACE USA CORP | | Z560X21V120-12DD | 70854 | SCHAEFFLER AEROSPACE USA CORP | | Z564X21 | 70854 | SCHAEFFLER AEROSPACE USA CORP |
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Techincal Specification:
| BEARING PRELOAD RATING | 3.0 POUNDS NOMINAL | | BORE DIAMETER | 0.2500 INCHES NOMINAL | | BORE SHAPE | STRAIGHT | | CONTACT ANGLE | 32.0 DEGREES MAXIMUM | | FLANGE OUTSIDE DIAMETER | 0.6900 INCHES NOMINAL | | FLANGE WIDTH | 0.0420 INCHES NOMINAL | | INNER RING WIDTH | 0.2500 INCHES NOMINAL | | LOAD DIRECTION | RADIAL | | OUTER RING OUTSIDE DIAMETER | 0.6250 INCHES NOMINAL | | OUTER RING WIDTH | 0.1950 INCHES NOMINAL | | RETAINER FABRICATION METHOD | MACHINED | | SPECIAL FEATURES | 0.5909 IN. TO 0.5923 IN. RETAINER,TURN RATIO; TWO HOLES DRILLED THROUGH FACE OF RETAINER; MINIMUM CONTACT ANGLE 28.0 DEG; AVERAGE RUNNING TORQUE 0.40 GM-CM MAX; BREAKOUT ON OD OF INNER RING | | STANDARD TOLERANCE DESIGNATION | ABEC NO.7 | | SURFACE FINISH | GROUND |
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