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National Stock Number:
3110-00-794-7284
Federal Supply Class:
3110
National Item Identification Number:
007947284
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:
| 21D333 | 0AHP5 | CURTISS-WRIGHT CONTROLS, INC. | | 461640 | 52676 | SKF USA INC. | | 9220-U-24 | 38443 | SKF USA INC. |
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Techincal Specification:
| BEARING PRELOAD RATING | 22.0 POUNDS NOMINAL | | BORE DIAMETER | 3.9344 INCHES MINIMUM AND 3.9353 INCHES MAXIMUM | | BORE SHAPE | STRAIGHT | | CRITICALITY CODE JUSTIFICATION | TEST | | INTERNAL CLEARANCE | 0.0013 INCHES MINIMUM RADIAL AND 0.0020 INCHES MAXIMUM RADIAL | | LOAD DIRECTION | RADIAL | | OVERALL OUTSIDE DIAMETER | 7.0876 INCHES MINIMUM AND 7.0886 INCHES MAXIMUM | | OVERALL WIDTH | 1.1004 INCHES MINIMUM AND 1.1024 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY RETAINER | | MATERIAL | STEEL COMP E52100 BALL | | MATERIAL | STEEL COMP E52100 INNER RING | | MATERIAL | STEEL COMP E52100 OUTER RING | | RETAINER FABRICATION METHOD | MACHINED | | SPECIAL FEATURES | RETAINER SILVER PLATED 0.0005 TO 0.0015 IN. THK | | STYLE DESIGNATOR | 4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE | | SURFACE FINISH | GROUND | | TEST DATA DOCUMENT | 66640-21D333 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
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