286990 Spherical Plain Bearing

Comprehensive specifications and application details for: 286990 Spherical Plain Bearing.

Summary

Explore detailed summary information for bearing: 286990. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 286990
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-662-1285
Item Name Code: 13204
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1963

A detachable part 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. It may be divided into two or more segments of 180 degrees (3.141 radians) or less. The item has a cylindrical bore and is basically spherical in its exterior design to allow for shaft misalignment. Excludes:bearing, plain, self-aligning.

square inside left corner corner shape, 0.2495 inches minimum and 0.2515 inches maximum body inside diameter, 50.0 rockwell c minimum and 58.0 rockwell c maximum overall hardness rating, square inside right corner corner shape, 0.3700 inches minimum and 0.3750 inches maximum overall length

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-662-1285 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 0.2495 inches minimum and 0.2515 inches maximum
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Hardness Rating: 50.0 rockwell c minimum and 58.0 rockwell c maximum overall
Overall Length: 0.3700 inches minimum and 0.3750 inches maximum
Material: steel overall
Spherical Body Diameter: 0.5620 inches minimum and 0.5630 inches maximum
Style Designator: solid
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 32.0 microinches spherical surface
Surface Treatment: chromium left end surface
Surface Treatment: chromium right end surface
Surface Treatment: chromium spherical surface

Replaces

The NSN 3120-00-662-1285 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-570-8464	No Name Available	01/01/1963

Frequently Asked Questions

Find quick answers to common questions about bearing: 286990. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-662-1285?: The FSCG of the NSN 3120-00-662-1285 is 3120

Does the NSN 3120-00-662-1285 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-662-1285 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 3120-00-662-1285 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-662-1285 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.