Product Details | SELF-ALIGNING PLAIN BEARING

3120-00-555-5898 A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes BEARING, PLAIN, ROD END and BEARING, PLAIN, SPHERICAL.

Part Alternates: 578311-101, 3120-00-555-5898, 00-555-5898, 3120005555898, 578311101, 005555898

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1961 00-555-5898

Drawings & Photos | NSN 3120-00-555-5898


Cross Reference | NSN 3120-00-555-5898

Part Number Cage Code Manufacturer
578311-101 17576 GOODRICH CORP DBA GOODRICH CORP

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Technical Data | NSN 3120-00-555-5898

Characteristic Specifications
MATERIAL STEEL COMP E52100 INNER MEMBER STEEL COMP 4130 OUTER RACE MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE E52100 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER MIL-S-6758,COND 1 MIL SPEC SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
HARDNESS RATING 24.0 ROCKWELL C MINIMUM AND 59.0 ROCKWELL C MAXIMUM INNER MEMBER 24.0 ROCKWELL C MINIMUM AND 59.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
SURFACE TREATMENT CADMIUM INNER MEMBER CHROMIUM OUTER RACE MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-C-320,TYPE.2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RACE MEMBER
STYLE DESIGNATOR 11B WITHOUT INSERT OR LINER
BORE DIAMETER 2.0000 INCHES MINIMUM AND 2.0010 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 2.6864 INCHES MINIMUM AND 2.6873 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.8700 INCHES MINIMUM AND 0.8800 INCHES MAXIMUM
INNER MEMBER WIDTH 0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM
LUBRICATION MATERIAL MOLYBDENUM DISULFIDE, MM 1920, TYPE 1, MENASCO MFG COMPANY
STATIC RADIAL LOAD RATING 70000 POUNDS
III END ITEM IDENTIFICATION LANDING GEAR,AIRCRAFT
MANUFACTURERS CODE 17576
DESIGN CONTROL REFERENCE 578311-101

Restrictions/Controls & Freight Information | NSN 3120-00-555-5898

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: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.
Category Code Description
NMF Description 114850 BEARING/BUSHING O/T BALL/ROLLER I/S
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 742 unknown
Originating Activity Code XX
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