B157 Sleeve Bearing

Comprehensive specifications and application details for: B157 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: B157. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: B157
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-352-3047
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1961

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.

1.3760 inches minimum and 1.3770 inches maximum body outside diameter, square inside left corner corner shape, chamfered outside right corner corner shape, 1.3148 inches minimum and 1.3155 inches maximum body inside diameter, chamfered outside left corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-352-3047 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 1.3148 inches minimum and 1.3155 inches maximum
Body Outside Diameter: 1.3760 inches minimum and 1.3770 inches maximum
Corner Shape: chamfered outside right corner
Corner Shape: chamfered outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Overall Length: 0.9950 inches minimum and 1.1050 inches maximum
Material Document And Classification: mil-b-13506,comp 19 mil spec single material response inner layer
Material: steel comp 1010 outer layer
Material: tin alloy inner layer
Style Designator: solid, plain, no outside flanges
Surface Treatment: tin inside diameter surface of body
Surface Treatment: tin outside diameter surface of body
Surface Treatment: tin left end surface of body
Surface Treatment: tin right end surface of body

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-352-3047?: The FSCG of the NSN 3120-00-352-3047 is 3120

Does the NSN 3120-00-352-3047 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-352-3047 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 3120-00-352-3047 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-352-3047 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.