B2055A Sleeve Bearing

Comprehensive specifications and application details for: B2055A Sleeve Bearing.

Summary

Explore detailed summary information for bearing: B2055A. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: B2055A
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-056-2421
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1963

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

round all corners corner shape, 2 hole antirotation/lubrication type and quantity, 0.1875 inches nominal first hole diameter, 3.6250 inches minimum and 3.6260 inches maximum body outside diameter, 2.5000 inches minimum and 2.5010 inches maximum body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-056-2421 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity: 2 hole
Body Inside Diameter: 2.5000 inches minimum and 2.5010 inches maximum
Body Outside Diameter: 3.6250 inches minimum and 3.6260 inches maximum
Corner Shape: round all corners
Hole Diameter: 0.1875 inches nominal first
Left Flange Outside Diameter: 3.8750 inches nominal
Left Flange Width: 0.1550 inches minimum and 0.1560 inches maximum
Overall Length: 2.0625 inches nominal
Material: copper alloy 903 outer layer
Material: tin alloy uns l13890 inner layer
Right Flange Outside Diameter: 3.8750 inches nominal
Right Flange Width: 0.1550 inches minimum and 0.1560 inches maximum
Style Designator: segmented, external flanges both ends

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-056-2421?: The FSCG of the NSN 3120-00-056-2421 is 3120

Does the NSN 3120-00-056-2421 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-056-2421 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 3120-00-056-2421 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-056-2421 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.