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National Stock Number:
3110-00-978-1371
Federal Supply Class:
3110
National Item Identification Number:
009781371
Description:
BEARING,BALL,AIRFRAME
Detail:
A cylindrical item in which the inner or outer ring turns upon row(s) of hardened BALL, BEARING which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes BEARING, BALL, ANNULAR.
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Manufacturer Information:
| 203-004-0001 | 95542 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | TWF45-56-1 | 78118 | MPB CORPORATION | | TWF4S561 | 78118 | MPB CORPORATION |
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Techincal Specification:
| BORE DIAMETER | 2.8122 INCHES MINIMUM AND 2.8125 INCHES MAXIMUM | | INNER RING WIDTH | 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM | | LOAD DIRECTION | RADIAL | | LUBRICATION MATERIAL | GREASE | | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE | | OUTER RING WIDTH | 0.3120 INCHES NOMINAL | | OVERALL OUTSIDE DIAMETER | 3.4997 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM | | MATERIAL | STEEL BALL | | MATERIAL | STEEL INNER RING | | MATERIAL | STEEL OUTER RING | | MATERIAL | STEEL SHIELD | | SHIELD QUANTITY | 2 | | SPECIAL FEATURES | INNER RING RADIAL RUNOUT 0.0005 IN. ALSO OUTER RING RADIAL RUNOUT 0.0006 IN. ALSO INTEGRAL SHIELDS ARE FORMED BY EXTENDING THE LANDS OF THE INNER RING ALSO RADIAL CLEARANCE 0.0005 IN. MIN. 0.0015 IN. MAX ALSO OUTER RING FRACTURED AT ON POINT ALSO 2 RETAINING RINGS ON OD OF OUTER RING | | STYLE DESIGNATOR | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
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