1. Home /
  2. Catalog /
  3. Unmounted Plain Bearings /
  4. 3120-00-903-0990

3120-00-903-0990 Sleeve Bearing

Comprehensive specifications and application details for NSN: 3120-00-903-0990.

Summary

Explore detailed summary information for bearing: 3120-00-903-0990. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-903-0990
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
01/01/1960

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.

0.7540 inches minimum and 0.7560 inches maximum body inside diameter, chamfered outside left corner corner shape, 1.1796 inches minimum and 1.1806 inches maximum body outside diameter, chamfered outside right corner corner shape, 2 hole antirotation/lubrication type and quantity

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-903-0990 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity
2 hole
Body Inside Diameter
0.7540 inches minimum and 0.7560 inches maximum
Body Outside Diameter
1.1796 inches minimum and 1.1806 inches maximum
Corner Shape
chamfered outside right corner
Corner Shape
chamfered outside left corner
Corner Shape
round inside right corner
Corner Shape
square left flange body corner
Corner Shape
square left flange outside right corner
Corner Shape
square inside left corner
Flange Outside Diameter
2.5000 inches nominal
Flange Width
0.5000 inches nominal
Hole Diameter
0.3125 inches minimum and 0.3438 inches maximum first
Lubricant Accommodation Style
grooved multiple loop and grooved circular
Overall Length
2.4000 inches nominal
Material
copper alloy 524 overall
Material
lubricant lubrication
Special Features
bore counterbored flange end 0.3000in. deep,1.2500 in. dia
Style Designator
solid, external flange one end
Surface Finish
125.0 microinches outside diameter surface of flange
Surface Finish
125.0 microinches left end surface of body and flange
Surface Finish
125.0 microinches right end surface of body
Surface Finish
125.0 microinches right end surface of left flange
Surface Finish
16.0 microinches inside diameter surface of body
Surface Finish
63.0 microinches outside diameter surface of body

Related Bearings

Explore the various bearing models associated with this NSN. Click on any bearing below to view detailed technical data, performance ratings, and application guidelines.

Part Number Name
8430295 Sleeve Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-00-903-0990. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-903-0990?
The FSCG of the NSN 3120-00-903-0990 is 3120
Does the NSN 3120-00-903-0990 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-903-0990 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 3120-00-903-0990 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-903-0990 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 3120-00-903-0990 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

Price & Availability

Fill out the form to get pricing and availability details for the bearing: 3120-00-903-0990

Popular Bearings

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

X99505L1CJ
3110-00-542-1371
Annular Ball Bearing
X9994A ITEM M2086BE
3110-01-355-2545
Thrust Roller Bearing
X9994A ITEM M2086BF
3110-01-353-8862
Thrust Roller Bearing
X9994A ITEM MA346
3110-01-355-2546
Tapered Roller Bearing
X9994A ITEM MA347
3110-01-354-6378
Tapered Roller Bearing
X9994A ITEM MA348
3110-01-354-6377
Tapered Roller Bearing
X9994A ITEM MA520
3110-01-354-6379
Tapered Roller Bearing
X9994A ITEM MA521
3110-01-354-7655
Tapered Roller Bearing
XA-03082
3120-01-333-2733
Sleeve Bushing
XA-0784
3110-01-338-3944
Bearing Collar
XA-0786
3110-01-338-3945
Bearing Collar
XA-10265
3120-01-578-5204
Sleeve Bushing
XA-1029
3110-01-168-9203
Bearing Roller
XA-10343
3120-01-576-5777
Cam Follower Plain Bearing
XA-134
3110-00-351-6955
Annular Ball Bearing