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NSN 3120-01-707-2187, 3120017072187
BEARING,PLAIN,SELF-ALIGNING

Federal Supply Classification
FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number
NIIN 017072187
Codification Country
United States
Item Name Code
INC 13208
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 3120-01-707-2187

National Stock Number (NSN) 3120-01-707-2187, or NIIN 017072187, (bearing,plain,self-aligning) was assigned January 23, 2023 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 13208. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3120017072187 does not contain precious metals.

This NSN is associated to Schedule B 8482300040: spherical roller bearings, single row. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332991: ball and roller bearing manufacturing.

This information was last updated on .


Technical Characteristics

BORE DIAMETER
(ABXV) 0.5620 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM
HARDNESS RATING
(CQFM) 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER
HARDNESS RATING
(CQFM) 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
INNER MEMBER WIDTH
(AGGJ) 0.560 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
LUBRICATION FEATURE
(CTLM) SELF-LUBRICATING LINER RACE LINER
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) BEARING, PLAIN, SELF-LUBRICATING, SELF-ALIGNING, LOW SPEED, NARROW, GROOVED RACE, - 65 TO + 325 F
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS5630 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OR AMS5880 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OR AMS5618 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES INNER MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS5643 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OUTER RACE MEMBER
MATERIAL
(MATT) PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
MATERIAL
(MATT) STEEL COMP 440C INNER MEMBER
MATERIAL
(MATT) STEEL CORROSION RESISTING OUTER RACE MEMBER
OUTER MEMBER OUTSIDE DIAMETER
(AGGF) 1.0932 INCHES MINIMUM AND 1.0937 INCHES MAXIMUM
OUTER MEMBER WIDTH
(AGGH) 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM
SPECIAL FEATURES
(FEAT) ABSENCE OF LETTER C INDICATES 440C BALL MATERIAL. ABSENCE OF LETTER A = TESTED TO 25000 CYCLES. P = ZINC-NICKEL OR CADMIUM PLATING. MATERIAL - BALL: 440C (AMS5630, AMS5880, OR AMS5618). RACE: 17-4PH CRES PER AMS5643. LINER: PTFE SHALL BE INCLUDED IN THE LINER. HARNESS RATING IS BEFORE SWAGING. FINISH: RACE: PLATING, WHEN SPECIFIED, SHALL BE ZINC-NICKEL PLATING PER AMS2417, TYPE 2, GRADE B OR CADMIUM PLATING PER AMS-QQ-P-416, TYPE II, CLASS 2. PLATING SHALL BE ON THE OUTSIDE DIAMETER SURFACE AND ON THE FLATS BETWEEN THE OUTSIDE DIAMETER AND THE V-GROOVES. THE PLATING RUNOUT SHALL OCCUR EITHER IN THE V-GROOVES OR ON THE SIDE FACE AREAS BETWEEN THE V-GROOVES AND THE BALL. BALL: PASSIVATE PER AMS2700, METHOD 1 (NITRIC ACID) OR METHOD 2 (CITRIC ACID), OR ASTM A967. CITRIC 1, CITRIC 2, AND CITRIC 3 ARE ACCEPTABLE. (AMS2700, METHOD 1, TYPE 8 IS PROHIBITED ON BEARINGS MANUFACTURED WITH 440C AFTER JUNE 1, 2018).
STATIC RADIAL LOAD RATING
(AGKP) 23200 POUNDS
STYLE DESIGNATOR
(STYL) WITH INSERT AND/OR LINER WITH STAKING GROOVE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) AMS2417, TYPE 2, GRADE B INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OR AMS-QQ-P-416, TYPE II, CLASS 2 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES INNER MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) AMS2700, METHOD 1 (NITRIC ACID) OR METHOD 2 (CITRIC ACID) INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OR ASTM A967. CITRIC 1, CITRIC 2, AND CITRIC 3 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OUTER RACE MEMBER
SURFACE TREATMENT
(SFTT) CADMIUM OR ZINC AND NICKEL ALLOY INNER MEMBER
SURFACE TREATMENT
(SFTT) PASSIVATE OUTER RACE MEMBER
MATERIAL
(MATT) UNABLE TO DECODE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) UNABLE TO DECODE

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