3120-01-209-8170

Find complete technical information, availability, and procurement data for: 3120-01-209-8170
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-209-8170

Item Name Code

13208

Assigment Date

06/04/1985 (41 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

0.3070 inches minimum and 0.3170 inches maximum outer member width, 0.3745 inches minimum and 0.3750 inches maximum bore diameter, 8960 pounds static radial load rating, 0.3800 inches minimum and 0.3820 inches maximum inner member width, 0.8120 inches minimum and 0.8125 inches maximum outer member outside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

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: 0.3800 inches minimum and 0.3820 inches maximum
Static Radial Load Rating: 8960 pounds
Hardness Rating: 40.0 rockwell c minimum inner member
Hardness Rating: 28.0 rockwell c minimum outer race member
Special Features: no plating in bore,optional on faces
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 630 inner member
Material: steel comp 630 outer race member
Material Document And Classification: ams 5643 assn std single material response inner member
Material Document And Classification: ams 5643 assn std single material response outer race member
Material Document And Classification: karon v,fscm 50632 mfr ref single material response race liner
Surface Treatment: chromium inner member
Surface Treatment Document And Classification: qq-c-320,class 2 fed spec single treatment response inner member
Style Designator: with insert and/or liner with staking groove
Specification/Standard Data: 26512-gb20ff manufacturers specification control

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
GB520FF1	Self-Aligning Plain Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3120-01-209-8170?

The FSCG of the NSN 3120-01-209-8170 is 3120

Does the NSN 3120-01-209-8170 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-01-209-8170 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 3120-01-209-8170 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-209-8170 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.

When the NSN 3120-01-209-8170 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Tue, Jun 4, 1985