A21018

Comprehensive specifications and application details for: A21018 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: A21018. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
A21018
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-084-5444
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
10/20/1979

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 hole antirotation/lubrication type and quantity, chamfered outside right corner corner shape, chamfered outside left corner corner shape, 2.2484 inches minimum and 2.2514 inches maximum body inside diameter, 2.3750 inches nominal body outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-084-5444 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity
2 hole
Body Inside Diameter
2.2484 inches minimum and 2.2514 inches maximum
Body Outside Diameter
2.3750 inches nominal
Corner Shape
chamfered outside right corner
Corner Shape
chamfered outside left corner
Corner Shape
square inside left corner
Corner Shape
square inside right corner
Hole Diameter
0.3438 inches nominal first
Overall Length
1.6460 inches minimum and 1.6660 inches maximum
Material
lead alloy inner layer
Material
steel outer layer
Style Designator
split, plain, no outside flanges

Frequently Asked Questions

Find quick answers to common questions about bearing: A21018. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-084-5444?
The FSCG of the NSN 3120-01-084-5444 is 3120
Does the NSN 3120-01-084-5444 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-01-084-5444 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 3120-01-084-5444 contain precious materials?
Precious metal content is unknown
Does NSN 3120-01-084-5444 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.
When the NSN 3120-01-084-5444 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Sat, Oct 20, 1979

Price & Availability

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