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National Stock Number:
3110-00-085-3144
Federal Supply Class:
3110
National Item Identification Number:
000853144
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:
| 318919-2 | 3B150 | RAYTHEON COMPANY | | 318919-2 | 49956 | RAYTHEON COMPANY | | SFR188LL3K25-168 | 83086 | NEW HAMPSHIRE BALL BEARINGS INC | | SFR188LL3K25-8 | 83086 | NEW HAMPSHIRE BALL BEARINGS INC | | SFR188TTK25ST52L | 14927 | S/N PRECISION ENTERPRISES, INC. | | SFR188TTK25ST60L | 14927 | S/N PRECISION ENTERPRISES, INC. |
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Techincal Specification:
| BEARING SEAL TYPE | CONTACT | | BORE DIAMETER | 0.2500 INCHES NOMINAL | | BORE SHAPE | STRAIGHT | | FLANGE OUTSIDE DIAMETER | 0.5470 INCHES NOMINAL | | FLANGE WIDTH | 0.0450 INCHES NOMINAL | | INTERNAL CLEARANCE | 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL | | LOAD DIRECTION | RADIAL | | LUBRICATION MATERIAL | GREASE | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE | | OUTER RING OUTSIDE DIAMETER | 0.5000 INCHES NOMINAL | | OVERALL WIDTH | 0.1875 INCHES NOMINAL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAL | | MATERIAL | STEEL CORROSION RESISTING BALL | | MATERIAL | STEEL CORROSION RESISTING INNER RING | | MATERIAL | STEEL CORROSION RESISTING OUTER RING | | MATERIAL | STEEL CORROSION RESISTING RETAINER | | RETAINER FABRICATION METHOD | PRESSED | | SEAL QUANTITY | 2 | | STANDARD TOLERANCE DESIGNATION | ABEC NO. 7P | | STYLE DESIGNATOR | NON-LOADING GROOVE, NON-SEPARABLE | | SURFACE FINISH | GROUND |
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