Product Details | AIRFRAME BALL BEARING

3110-01-188-4004 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: 240631, 3110-01-188-4004, 01-188-4004, 3110011884004, 011884004

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 04 SEP 1984 01-188-4004

Drawings & Photos | NSN 3110-01-188-4004


Cross Reference | NSN 3110-01-188-4004

Part Number Cage Code Manufacturer
240631 04939 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
240631 09205 LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV
240631 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
240631 40920 MPB CORPORATION DBA TIMKEN SUPER PRECISION

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Technical Data | NSN 3110-01-188-4004

Characteristic Specifications
MATERIAL STEEL BALL STEEL RETAINER PLASTIC POLYTRIFLUOROETHYLENE SEAL
STYLE DESIGNATOR 198 SINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES
BORE DIAMETER 0.4950 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER 0.8750 INCHES NOMINAL
OUTER RING WIDTH 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
INNER RING WIDTH 0.3080 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM
LOAD DIRECTION RADIAL

Restrictions/Controls & Freight Information | NSN 3110-01-188-4004

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 KE Naval ICP
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
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 3110-01-188-4004

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
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