Product Details | SELF-ALIGNING PLAIN BEARING

3120-01-004-4937 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: KWDB85, KWDB8-5, LWG08E105, 3120-01-004-4937, 01-004-4937, 3120010044937, 010044937

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 10 JUN 1975 01-004-4937

Drawings & Photos | NSN 3120-01-004-4937


Cross Reference | NSN 3120-01-004-4937

Part Number Cage Code Manufacturer
KWDB8-5 97613 DOVER ENGINEERED SYSTEMS, INC. DBA KAHR BEARING
LWG08E105 16746 SPECLINE INC.

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Technical Data | NSN 3120-01-004-4937

Characteristic Specifications
MATERIAL STEEL COMP 440C INNER MEMBER STEEL COMP 630 RACE INSERT PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE RACE INSERT KAHR-LON,CAGEC 97613 MFR REF SINGLE MATERIAL RESPONSE RACE LINER
HARDNESS RATING 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM INNER MEMBER 30.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM RACE INSERT
SURFACE TREATMENT CADMIUM AND CHROMATE RACE INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,CLASS 2,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE RACE INSERT
STYLE DESIGNATOR 11A WITH INSERT AND/OR LINER
BORE DIAMETER 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM
INNER MEMBER WIDTH 0.6230 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM
LUBRICATION FEATURE SELF-LUBRICATING LINER INSIDE DIAMETER SURFACE OF BODY
STATIC RADIAL LOAD RATING 28000 POUNDS
SPECIAL FEATURES MISALIGNMENT PORM 10 DEG; NOTCH IN OUTER RACE MEMBER 0.049 IN. MIN TO 0.055 IN. MAX L,0.035 IN. MIN TO 0.040 IN. MAX DEEP,0.010 IN. MIN TO 0.020 IN. MAX R

Restrictions/Controls & Freight Information | NSN 3120-01-004-4937

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 114820 BEARINGS/BUSHINGS NOI BALL/ROLLER
Less than car load rating
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 3120-01-004-4937

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each