MK28 Sleeve Bearing

Comprehensive specifications and application details for: MK28 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: MK28. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: MK28
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-851-4055
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.

2.2480 inches minimum and 2.2490 inches maximum body outside diameter, square all corners corner shape, grooved closed both ends lubricant accommodation style, 8 hole antirotation/lubrication type and quantity, 1.6250 inches minimum and 1.6260 inches maximum body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-851-4055 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity: 8 hole
Body Inside Diameter: 1.6250 inches minimum and 1.6260 inches maximum
Body Outside Diameter: 2.2480 inches minimum and 2.2490 inches maximum
Corner Shape: square all corners
Lubricant Accommodation Style: grooved closed both ends
Overall Length: 2.0000 inches nominal
Material Document And Classification: sae assn std single material response overall
Material: copper alloy 937 overall
Style Designator: solid, plain, no outside flanges
Surface Groove Location And Quantity: 4 internal

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-851-4055?: The FSCG of the NSN 3120-00-851-4055 is 3120

Does the NSN 3120-00-851-4055 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-851-4055 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 3120-00-851-4055 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-851-4055 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.