21-423

Comprehensive specifications and application details for: 21-423 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 21-423. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
21-423
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-035-6901
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.

2.9010 inches nominal body outside diameter, 0.0450 inches minimum and 0.0550 inches maximum external keyway depth keyway dimension, 0.1750 inches minimum and 0.1800 inches maximum external keyway width keyway dimension, 2.1510 inches nominal body inside diameter, square all corners corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-035-6901 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
2.1510 inches nominal
Body Outside Diameter
2.9010 inches nominal
Corner Shape
square all corners
Keyway Dimension
0.0450 inches minimum and 0.0550 inches maximum external keyway depth
Keyway Dimension
0.1750 inches minimum and 0.1800 inches maximum external keyway width
Keyway Dimension
0.2180 inches nominal external keyway length
Overall Length
1.2380 inches minimum and 1.2480 inches maximum
Material
steel overall
Style Designator
segmented, plain, no outside flanges

Frequently Asked Questions

Find quick answers to common questions about bearing: 21-423. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-035-6901?
The FSCG of the NSN 3120-00-035-6901 is 3120
Does the NSN 3120-00-035-6901 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-035-6901 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 3120-00-035-6901 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-035-6901 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 3120-00-035-6901 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

Fill out the form to get pricing and availability details for the bearing: 21-423

Popular Bearings

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

S272-5
3110-00-100-6162
Bearing Ball
S2721
3120-00-287-6851
Sleeve Bearing
S2727A
3110-00-227-2349
Annular Ball Bearing
S27296
3120-01-545-9700
Sleeve Bearing Set
S2736D20G02
3110-00-144-8622
Annular Ball Bearing
S2736D20G03
3110-00-144-8637
Annular Ball Bearing
S2736D30G03
3110-00-155-6282
Annular Ball Bearing
S2736D30G06
3110-00-367-5416
Annular Ball Bearing
S27438
3120-01-055-3949
Sleeve Bearing
S275PC24
3120-00-081-1472
Sleeve Bushing
S2761
3120-00-294-0353
Sleeve Bearing
S280
3120-00-524-7980
Sleeve Bearing
S2807JA
3120-00-340-3311
Sleeve Bearing
S2807JB
3110-00-399-3450
Liner Bearing
S2823JD
3120-01-206-7151
Thrust Washer Bearing