IRAB20 Spherical Plain Bearing

Comprehensive specifications and application details for: IRAB20 Spherical Plain Bearing.

Summary

Explore detailed summary information for bearing: IRAB20. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: IRAB20
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-063-5285
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.

1.7930 inches minimum and 1.7940 inches maximum body outside diameter, 1.2495 inches minimum and 1.2500 inches maximum body inside diameter, 2 hole antirotation/lubrication type and quantity, square inside left corner corner shape, square inside right corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-063-5285 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity: 2 hole
Body Inside Diameter: 1.2495 inches minimum and 1.2500 inches maximum
Body Outside Diameter: 1.7930 inches minimum and 1.7940 inches maximum
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Hardness Rating: 57.0 rockwell c minimum and 59.0 rockwell c maximum overall
Hole Diameter: 0.1562 inches nominal first
Lubricant Accommodation Style: grooved circular
Overall Length: 1.0880 inches minimum and 1.0930 inches maximum
Material: steel comp e52100 overall
Spherical Body Diameter: 1.7940 inches minimum and 1.7950 inches maximum
Style Designator: solid
Surface Treatment: chromium left end surface
Surface Treatment: chromium outside diameter surface of flats
Surface Treatment: chromium right end surface

Frequently Asked Questions

Find quick answers to common questions about bearing: IRAB20. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-063-5285?: The FSCG of the NSN 3120-00-063-5285 is 3120

Does the NSN 3120-00-063-5285 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-063-5285 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 3120-00-063-5285 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-063-5285 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.