7921 Sleeve Bearing

Comprehensive specifications and application details for: 7921 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 7921. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 7921
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-339-4347
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.

chamfered inside left corner corner shape, 7.5090 inches minimum and 7.5100 inches maximum body inside diameter, 8.2520 inches minimum and 8.2530 inches maximum body outside diameter, chamfered outside right corner corner shape, chamfered left flange outside right corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-339-4347 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 7.5090 inches minimum and 7.5100 inches maximum
Body Outside Diameter: 8.2520 inches minimum and 8.2530 inches maximum
Corner Shape: chamfered outside right corner
Corner Shape: chamfered inside left corner
Corner Shape: chamfered left flange outside right corner
Corner Shape: chamfered outside left corner
Corner Shape: relief groove left flange body corner
Corner Shape: round inside right corner
Flange Outside Diameter: 9.7450 inches minimum and 9.7550 inches maximum
Flange Width: 0.3640 inches minimum and 0.3650 inches maximum
Lubricant Accommodation Style: grooved circular and grooved open one end
Overall Length: 2.2140 inches minimum and 2.2240 inches maximum
Material: steel outer layer
Material: tin alloy inner layer
Style Designator: solid, external flange one end

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-339-4347?: The FSCG of the NSN 3120-00-339-4347 is 3120

Does the NSN 3120-00-339-4347 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-339-4347 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 3120-00-339-4347 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-339-4347 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.