Product Details | SELF-ALIGNING PLAIN BEARING

3120-01-048-8788 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: 4188910 , 3120-01-048-8788, 01-048-8788, 3120010488788, 010488788

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 07 OCT 1977 01-048-8788

Drawings & Photos | NSN 3120-01-048-8788


Cross Reference | NSN 3120-01-048-8788

Part Number Cage Code Manufacturer
4188910 80212 BAE SYSTEMS LAND & ARMAMENTS L.P.

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Technical Data | NSN 3120-01-048-8788

Characteristic Specifications
MATERIAL STEEL INNER MEMBER STEEL COMP 4130 OUTER RACE MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 7440 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER AMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
HARDNESS RATING 60.0 ROCKWELL C MINIMUM INNER MEMBER 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
SURFACE TREATMENT CHROMIUM INNER MEMBER CADMIUM OUTER RACE MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER QQ-P-416,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RACE MEMBER
STYLE DESIGNATOR 11B WITHOUT INSERT OR LINER
BORE DIAMETER 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 1.1870 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
INNER MEMBER WIDTH 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 3120-01-048-8788

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
No Freight Information