121555

Comprehensive specifications and application details for: 121555 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 121555. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
121555
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-376-8643
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.

2.0710 inches minimum and 2.0735 inches maximum body inside diameter, 1 hole antirotation/lubrication type and quantity, 2.2205 inches minimum and 2.2220 inches maximum body outside diameter, chamfered outside left corner corner shape, square inside left corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-376-8643 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity
1 hole
Body Inside Diameter
2.0710 inches minimum and 2.0735 inches maximum
Body Outside Diameter
2.2205 inches minimum and 2.2220 inches maximum
Corner Shape
chamfered outside left corner
Corner Shape
square inside left corner
Corner Shape
square inside right corner
Corner Shape
square outside right corner
Hole Diameter
0.1875 inches nominal first
Lubricant Accommodation Style
indented diamond
Overall Length
1.0520 inches minimum and 1.0720 inches maximum
Material Document And Classification
qq-s-643 fed spec all material responses outer layer
Material
oil lubricating lubrication
Material
steel comp 1010 or steel comp 1015 outer layer
Material
tin alloy inner layer
Style Designator
split, plain, no outside flanges
Surface Treatment
tin overall

Frequently Asked Questions

Find quick answers to common questions about bearing: 121555. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-376-8643?
The FSCG of the NSN 3120-00-376-8643 is 3120
Does the NSN 3120-00-376-8643 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-376-8643 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 3120-00-376-8643 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-376-8643 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 3120-00-376-8643 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

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