Product Details | AIRFRAME BALL BEARING

3110-00-970-2747 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.

Part Alternates: MKP4AE9105, AAMKP4AE9106A, C525KP4A, KP4A20, 3110-00-970-2747, 00-970-2747, 3110009702747, 009702747

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 30 SEP 1966 00-970-2747

Drawings & Photos | NSN 3110-00-970-2747


Cross Reference | NSN 3110-00-970-2747

Part Number Cage Code Manufacturer
AAMKP4AE9106A 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
C525KP4A 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
KP4A20 38443 SKF USA INC DBA SKF AEROENGINE NORTH AMERICA
MKP4AE9105 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE

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Technical Data | NSN 3110-00-970-2747

Characteristic Specifications
MATERIAL STEEL COMP 440C BALL STEEL COMP 440C INNER RING STEEL COMP 440C OUTER RING PLASTIC POLYTETRAFLUOROETHYLENE SEAL
STYLE DESIGNATOR 196 SINGLE ROW INNER RING EXTENDED BOTH SIDES
BORE DIAMETER 0.2500 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER 0.7500 INCHES NOMINAL
OUTER RING WIDTH 0.2190 INCHES NOMINAL
INNER RING WIDTH 0.2810 INCHES NOMINAL
LUBRICATION MATERIAL GREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATION AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
SEAL QUANTITY 2
BEARING SEAL TYPE CONTACT
LOAD DIRECTION RADIAL
SPECIAL FEATURES RINGS AND BALLS MATERIAL MODIFIED BY ADDITION OF 4 PCT MOLYBDENUM,PRELUBRICATED WITH 40 TO 50 PCT SPECIFIED GREASE,RINGS AND BALLS HEAT STABILIZED TO 400 DEG F,MAX NO LOAD STARTING TORQUE 0.2720 IN. OZ.,RADIAL CLEARANCE 0.0001 IN. MIN TO 0.0004 IN. MAX

Restrictions/Controls & Freight Information | NSN 3110-00-970-2747

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 114820 BEARINGS/BUSHINGS NOI BALL/ROLLER
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 742 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable