Product Details | SELF-ALIGNING PLAIN BEARING

3120-00-975-4984 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: HSBG412, HSBG4-12, HSBG4SP14, LHAE4G, RSPG4A, GB14B4, GE14B4, 55171, 3120-00-975-4984, 00-975-4984, 3120009754984, 009754984

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1962 00-975-4984

Drawings & Photos | NSN 3120-00-975-4984


Demand History | NSN 3120-00-975-4984

Part Number Request Date QTY Origin
3120-00-975-4984 2019-03-65 5 US
3120-00-975-4984 2010-05-132 3 DIBBS
3120-00-975-4984 2009-07-183 3 DIBBS

Cross Reference | NSN 3120-00-975-4984

Part Number Cage Code Manufacturer
55171 09455 RBC TRANSPORT DYNAMICS CORP. DIV RBC TRANSPORT DYNAMICS
GB14B4 02758 U S BEARINGS
GB14B4 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
GE14B4 02758 U S BEARINGS
HSBG4-12 97613 DOVER ENGINEERED SYSTEMS, INC. DBA KAHR BEARING
HSBG4SP14 15860 NEW HAMPSHIRE BALL BEARINGS, INC. DBA ASTRO DIVISION
LHAE4G 73134 ROLLER BEARING COMPANY OF AMERICA, INC.
RSPG4A 99528 RADIAL BEARING CORPORATION

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Technical Data | NSN 3120-00-975-4984

Characteristic Specifications
MATERIAL STEEL COMP E52100 INNER MEMBER STEEL OUTER RACE MEMBER
HARDNESS RATING 56.0 ROCKWELL C NOMINAL INNER MEMBER 30.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
SURFACE TREATMENT CHROMIUM INNER MEMBER CADMIUM OUTER RACE MEMBER
STYLE DESIGNATOR 11B WITHOUT INSERT OR LINER
BORE DIAMETER 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM
INNER MEMBER WIDTH 0.3380 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM
LUBRICATION MATERIAL GREASE, MIL-G-23827 AND LUBRICANT, SOLID FILM, MIL-L-8937, FORM A
LUBRICATION FEATURE PERFORATION INNER MEMBER GROOVE INTERNAL INNER MEMBER GROOVE INTERNAL OUTER MEMBER PERFORATION OUTER RACE MEMBER
STATIC RADIAL LOAD RATING 7300 POUNDS
TEST DATA DOCUMENT 81349-MIL-B-5628 SPECIFICATION
MANUFACTURERS CODE 26512
MFR SOURCE CONTROLLING REFERENCE GB14B4

Restrictions/Controls & Freight Information | NSN 3120-00-975-4984

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 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

Management | NSN 3120-00-975-4984

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