3120-01-707-2668 Self-Aligning Plain Bearing

Comprehensive specifications and application details for NSN: 3120-01-707-2668.

Summary

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Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-707-2668
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 01/25/2023

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.

28.0 rockwell c minimum and 37.0 rockwell c maximum outer race member hardness rating, 0.435 inches minimum and 0.437 inches maximum inner member width, 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member hardness rating, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, self-lubricating liner race liner lubrication feature

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-707-2668 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.3120 inches minimum and 0.3125 inches maximum
Hardness Rating: 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Hardness Rating: 28.0 rockwell c minimum and 37.0 rockwell c maximum outer race member
Inner Member Width: 0.435 inches minimum and 0.437 inches maximum
Lubrication Feature: self-lubricating liner race liner
Part Name Assigned By Controlling Agency: bearing, plain, self-lubricating, self-aligning, low speed, wide, grooved race, -65 to +325 f
Material Document And Classification: 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: ams5643 international std/spec all material responses outer race member
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel corrosion resisting outer race member
Outer Member Outside Diameter: 0.6870 inches minimum and 0.6875 inches maximum
Outer Member Width: 0.312 inches minimum and 0.322 inches maximum
Special Features: absence of letter c indicates 440c ball material. letter a = tested to 100,000 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: 9400 pounds
Style Designator: with insert and/or liner with staking groove
Surface Treatment Document And Classification: 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: 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: cadmium or zinc and nickel alloy inner member
Surface Treatment: passivate outer race member

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Part Number	Name
MS14103A-5P	Self-Aligning Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-707-2668. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-707-2668?: The FSCG of the NSN 3120-01-707-2668 is 3120

Does the NSN 3120-01-707-2668 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-707-2668 require demilitarization?: Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3120-01-707-2668 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-707-2668 contain hazardous materials?: Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.