6503-86 ITEM 243

View detailed technical data, stock status, and sourcing information for: 6503-86 ITEM 243
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-237-1184

Item Name Code

13208

Assigment Date

07/25/1986 (40 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.

232200 pounds static radial load rating, 1.2180 inches minimum and 1.2280 inches maximum outer member width, 1.3745 inches minimum and 1.3750 inches maximum bore diameter, 1.6820 inches minimum and 1.6870 inches maximum inner member width, 2.5000 inches nominal 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: 1.3745 inches minimum and 1.3750 inches maximum
Outer Member Outside Diameter: 2.5000 inches nominal
Outer Member Width: 1.2180 inches minimum and 1.2280 inches maximum
Inner Member Width: 1.6820 inches minimum and 1.6870 inches maximum
Static Radial Load Rating: 232200 pounds
Special Features: outer race 2.500-16un-3a; 2 holes 0.093 in. dia
Material: plastic race liner
Material: steel corrosion resisting inner member
Material: steel corrosion resisting outer race member
Material Document And Classification: dyflon,fscm 81376 mfr ref single material response race liner
Surface Treatment: chromium external inner member
Style Designator: with insert and/or liner

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-01-247-9262	No Name Available	04/01/1989

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
5000193	Self-Aligning Plain Bearing
501-4457023 ITEM 243	Self-Aligning Plain Bearing
5923259 ITEM 342	Self-Aligning Plain Bearing
6503-86 ITEM 243	Self-Aligning Plain Bearing
6503-86 PIECE 243	Self-Aligning Plain Bearing
BLFR-22-145	Self-Aligning Plain Bearing
LWT22E-145	Self-Aligning Plain Bearing