K21-500

Comprehensive specifications and application details for: K21-500 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: K21-500. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
K21-500
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-025-7828
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
08/09/1976

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.

2.2230 inches maximum overall length, 3.6250 inches nominal body inside diameter, square all corners corner shape, copper alloy intermediate layer material, 3.8265 inches nominal body outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-025-7828 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
3.6250 inches nominal
Body Outside Diameter
3.8265 inches nominal
Corner Shape
square all corners
Overall Length
2.2230 inches maximum
Material
copper alloy intermediate layer
Material
lead alloy inner layer
Material
steel outer layer
Style Designator
segmented, plain, no outside flanges

Frequently Asked Questions

Find quick answers to common questions about bearing: K21-500. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-025-7828?
The FSCG of the NSN 3120-01-025-7828 is 3120
Does the NSN 3120-01-025-7828 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-01-025-7828 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 3120-01-025-7828 contain precious materials?
Precious metal content is unknown
Does NSN 3120-01-025-7828 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 3120-01-025-7828 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Mon, Aug 9, 1976

Price & Availability

Fill out the form to get pricing and availability details for the bearing: K21-500

Popular Bearings

Browse our selection of high-demand, high-performance bearings:

3525
3110-00-100-0375
Tapered Roller Bearing Cup
3525344
3120-01-303-5523
Thrust Washer Bearing
352545-1
3120-00-517-0400
Sleeve Bushing
352545-2
3120-00-650-5962
Sleeve Bushing
352545-4
3120-00-650-5964
Sleeve Bushing
352545-5
3120-00-650-5961
Sleeve Bushing
352572
3110-01-149-1320
Annular Ball Bearing
3525739
3120-01-272-3269
Sleeve Bearing
352578
3110-01-151-6871
Annular Ball Bearing
35258
3110-00-555-5581
Annular Ball Bearing
352592C91
3120-00-035-8936
Bearing and Seal Kit
3525B
3110-00-142-4404
Tapered Roller Bearing Cup
3525TIM
3110-00-100-0375
Tapered Roller Bearing Cup
3526-5
3120-00-948-6122
Sleeve Bearing
352605
3120-01-266-4737
Sleeve Bearing