Product Details | AIRFRAME BALL BEARING

3110-00-121-7760 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: MDW4KE9182, C707DW4K, MDW4, 3110-00-121-7760, 00-121-7760, 3110001217760, 001217760

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 30 OCT 1968 00-121-7760

Drawings & Photos | NSN 3110-00-121-7760


Demand History | NSN 3110-00-121-7760

Part Number Request Date QTY Origin
3110-00-121-7760 2018-02-37 15 DIBBS
MDW4 2008-09-273 5 us

Cross Reference | NSN 3110-00-121-7760

Part Number Cage Code Manufacturer
C707DW4K 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
MDW4 38443 SKF USA INC DBA SKF AEROENGINE NORTH AMERICA
MDW4KE9182 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
MDW4KE9182 3NPS1 RBC AIRCRAFT PRODUCTS, INC.

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Technical Data | NSN 3110-00-121-7760

Characteristic Specifications
MATERIAL STEEL BALL STEEL INNER RING STEEL OUTER RING RUBBER SYNTHETIC SEAL
SURFACE TREATMENT CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
STYLE DESIGNATOR 204 DOUBLE ROW
BORE DIAMETER 0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER 0.7460 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
OUTER RING WIDTH 0.7500 INCHES NOMINAL
INNER RING WIDTH 0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM
LUBRICATION MATERIAL GREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
SEAL QUANTITY 2
BEARING SEAL TYPE CONTACT
LOAD DIRECTION RADIAL
SPECIAL FEATURES 0.0001 IN. MIN,0.0005 IN. MAX RADIAL CLEARANCE UNDER 2.2 LB LOAD,0.0020 IN. NOM AXIAL PLAY UNDER 5.5 LB LOAD,OUTWARD CONVERGENT CONTACT ANGLE

Restrictions/Controls & Freight Information | NSN 3110-00-121-7760

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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 P 77.5
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

Management | NSN 3110-00-121-7760

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityAItem requires special handling or condemnation procedures for specific reasons, such as precious metal content, high dollar value, critical material, or hazardous materiel. Refer to appropriate manuals or directives for specific instructions.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each