Product Details | SELF-ALIGNING PLAIN BEARING

3120-00-705-8030 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: 7058030, 3120-00-705-8030, 00-705-8030, 3120007058030, 007058030

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1963 00-705-8030

Drawings & Photos | NSN 3120-00-705-8030


Cross Reference | NSN 3120-00-705-8030

Part Number Cage Code Manufacturer
7058030 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 3120-00-705-8030

Characteristic Specifications
MATERIAL STEEL COMP 1118 INNER MEMBER STEEL OUTER RACE MEMBER STEEL COMP 1118 RACE INSERT
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE INNER MEMBER QQ-S-636,COND 5 FED SPEC SINGLE MATERIAL RESPONSE OUTER RACE MEMBER QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE RACE INSERT
HARDNESS RATING 55.0 ROCKWELL C MINIMUM INNER MEMBER 60.0 ROCKWELL C MAXIMUM RACE INSERT
SURFACE TREATMENT ZINC AND CHROMATE INNER MEMBER ZINC AND CHROMATE RACE INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-Z-325,CL 2 FED SPEC ALL TREATMENT RESPONSES INNER MEMBER QQ-Z-325,CL 2 FED SPEC ALL TREATMENT RESPONSES RACE INSERT
STYLE DESIGNATOR 11A WITH INSERT AND/OR LINER
BORE DIAMETER 1.3725 INCHES MINIMUM AND 1.3740 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 2.4360 INCHES MINIMUM AND 2.4380 INCHES MAXIMUM
OUTER MEMBER WIDTH 1.4050 INCHES MINIMUM AND 1.4450 INCHES MAXIMUM
INNER MEMBER WIDTH 1.8650 INCHES MINIMUM AND 1.8700 INCHES MAXIMUM
LUBRICATION FEATURE PERFORATION EXTERNAL SURFACE MEMBER GROOVE INTERNAL SURFACES

Restrictions/Controls & Freight Information | NSN 3120-00-705-8030

Category Code Description
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.
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 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 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