Product Details | SELF-ALIGNING PLAIN BEARING

3120-00-031-1511 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: GB520DS2, KNDB91, KNDB9-1, 76792, 3120-00-031-1511, 00-031-1511, 3120000311511, 000311511

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 21 OCT 1972 00-031-1511

Drawings & Photos | NSN 3120-00-031-1511


Cross Reference | NSN 3120-00-031-1511

Part Number Cage Code Manufacturer
76792 09455 RBC TRANSPORT DYNAMICS CORP. DIV RBC TRANSPORT DYNAMICS
GB520DS2 09455 RBC TRANSPORT DYNAMICS CORP. DIV RBC TRANSPORT DYNAMICS
GB520DS2 15860 NEW HAMPSHIRE BALL BEARINGS, INC. DBA ASTRO DIVISION
GB520DS2 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
GB520DS2 50632 KAMATICS CORPORATION
GB520DS2 97613 DOVER ENGINEERED SYSTEMS, INC. DBA KAHR BEARING
KNDB9-1 97613 DOVER ENGINEERED SYSTEMS, INC. DBA KAHR BEARING

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Technical Data | NSN 3120-00-031-1511

Characteristic Specifications
MATERIAL STEEL INNER MEMBER STEEL COMP 1117 OUTER RACE MEMBER PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
HARDNESS RATING 55.0 ROCKWELL C MINIMUM INNER MEMBER 23.0 ROCKWELL C MINIMUM OUTER RACE MEMBER
STYLE DESIGNATOR 11A WITH INSERT AND/OR LINER
BORE DIAMETER 0.5320 INCHES MINIMUM AND 0.5325 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 1.0932 INCHES MINIMUM AND 1.0937 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.4320 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM
INNER MEMBER WIDTH 0.5600 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM
STATIC RADIAL LOAD RATING 23200 POUNDS

Restrictions/Controls & Freight Information | NSN 3120-00-031-1511

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 156600 PLASTIC/RUBBER ARTICLE VIZ:
Less than car load rating
Less than truck load rating W Rating Variable
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 3120-00-031-1511

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
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