1. Home /
  2. Catalog /
  3. Unmounted Plain Bearings /
  4. 3120-00-903-9979

3120-00-903-9979 Self-Aligning Plain Bearing

Comprehensive specifications and application details for NSN: 3120-00-903-9979.

Summary

Explore detailed summary information for bearing: 3120-00-903-9979. 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
3120-00-903-9979
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
06/15/1966

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

0.7769 inches minimum and 0.7774 inches maximum outer member outside diameter, 0.2500 inches minimum and 0.2505 inches maximum bore diameter, steel corrosion resisting overall material, 0.4950 inches minimum and 0.5000 inches maximum inner member width, 50.0 rockwell c nominal overall hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-903-9979 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.2500 inches minimum and 0.2505 inches maximum
Hardness Rating
50.0 rockwell c nominal overall
Inner Member Width
0.4950 inches minimum and 0.5000 inches maximum
Material
steel corrosion resisting overall
Outer Member Outside Diameter
0.7769 inches minimum and 0.7774 inches maximum
Outer Member Width
0.3870 inches minimum and 0.3920 inches maximum
Style Designator
without insert or liner
Surface Treatment
chromium inner member

Replaces

The NSN 3120-00-903-9979 is used in place of the following discontinued or alternate items:

NSN Name Date
3120-01-137-5750 No Name Available 08/01/1984

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
2181750 Self-Aligning Plain Bearing
2181751 Self-Aligning Plain Bearing
534668 Self-Aligning Plain Bearing
ASSB4-7 Self-Aligning Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-00-903-9979. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-903-9979?
The FSCG of the NSN 3120-00-903-9979 is 3120
Does the NSN 3120-00-903-9979 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-00-903-9979 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 3120-00-903-9979 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-903-9979 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 3120-00-903-9979 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Wed, Jun 15, 1966

Price & Availability

Fill out the form to get pricing and availability details for the bearing: 3120-00-903-9979

Popular Bearings

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

1120142
3120-00-807-5663
Sleeve Bushing
1120152
3120-00-450-4024
Thrust Washer Bearing
112024R1
3110-00-350-7384
Bearing Retaining Plate
112027R91
3110-00-144-8662
Annular Ball Bearing
112028R91
3110-00-144-8662
Annular Ball Bearing
112029R91
3110-00-144-8662
Annular Ball Bearing
11203
3110-00-151-9208
Bearing Ball
11203PC109
3110-00-100-4411
Tapered Roller Bearing
11203PC131
3110-00-100-6183
Bearing Ball
11204-B-18
3120-01-024-4669
Sleeve Bearing
11204-B-18 *20
3120-01-024-4669
Sleeve Bearing
112041R91
3110-00-114-5988
Annular Ball Bearing
1120462
3130-01-337-4801
Pillow Block Cap
112046R1
3120-00-741-4267
Thrust Washer Bearing
1120482
3110-01-331-1242
Bearing Retaining Plate