Product Details | SELF-ALIGNING PLAIN BEARING

3120-00-998-3176 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: C5556, C555-6, NR6, NR-6, NV6, 176042, 3120-00-998-3176, 00-998-3176, 3120009983176, 009983176

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 18-APR-67 00-998-3176

Drawings & Photos | NSN 3120-00-998-3176


Cross Reference | NSN 3120-00-998-3176

Part Number Cage Code Manufacturer
03-001-0375 09455 RBC TRANSPORT DYNAMICS CORP. DIV RBC TRANSPORT DYNAMICS
03-001-0375 52285 DIPACO INC. L
03-403-06 09455 RBC TRANSPORT DYNAMICS CORP. DIV RBC TRANSPORT DYNAMICS
03-703-06 09455 RBC TRANSPORT DYNAMICS CORP. DIV RBC TRANSPORT DYNAMICS
176042 09455 RBC TRANSPORT DYNAMICS CORP. DIV RBC TRANSPORT DYNAMICS
AS14104 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
BS12ATH26M 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
BS12ATH26M 3NPS1 RBC AIRCRAFT PRODUCTS, INC.
C555-6 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
HSB6DU 02758 U S BEARINGS
KR6CN001 50632 KAMATICS CORPORATION
LNP06C-100 16746 SPECLINE INC.
MS14104-6 15860 NEW HAMPSHIRE BALL BEARINGS, INC. DBA ASTRO DIVISION
MS14104-6 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS14104-6 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS21233-6 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
NR-6 73134 ROLLER BEARING COMPANY OF AMERICA, INC.
NV6 73134 ROLLER BEARING COMPANY OF AMERICA, INC.

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Technical Data | NSN 3120-00-998-3176

Characteristic Specifications
MATERIAL STEEL COMP 440C INNER MEMBER STEEL CORROSION RESISTING OUTER RACE MEMBER PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
HARDNESS RATING 55.0 ROCKWELL C MINIMUM INNER MEMBER 23.0 ROCKWELL C MINIMUM OUTER RACE MEMBER
SURFACE TREATMENT CHROMIUM INNER MEMBER
STYLE DESIGNATOR 11A WITH INSERT AND/OR LINER
BORE DIAMETER 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 0.8120 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.3070 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM
INNER MEMBER WIDTH 0.4040 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM
STATIC RADIAL LOAD RATING 8830 POUNDS
MANUFACTURERS CODE 81755
MFR SOURCE CONTROLLING REFERENCE C555-6

Restrictions/Controls & Freight Information | NSN 3120-00-998-3176

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
No Freight Information