55591 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: 55591 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 55591. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 55591
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-048-0585
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 09/18/1977

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.

steel comp 440c inner member material, ams 5630 assn std single material response inner member material document and classification, 57.0 rockwell c minimum and 65.0 rockwell c maximum inner member hardness rating, 0.9995 inches minimum and 1.0000 inches maximum bore diameter, 0.8700 inches minimum and 0.8750 inches maximum inner member width

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-048-0585 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.9995 inches minimum and 1.0000 inches maximum
Hardness Rating: 57.0 rockwell c minimum and 65.0 rockwell c maximum inner member
Inner Member Width: 0.8700 inches minimum and 0.8750 inches maximum
Material Document And Classification: ams 5630 assn std single material response inner member
Material: steel comp 440c inner member
Outer Member Outside Diameter: 1.6245 inches minimum and 1.6250 inches maximum
Outer Member Width: 0.7450 inches minimum and 0.7550 inches maximum
Special Features: outer race fractured one place only (optional)
Static Radial Load Rating: 100000 pounds
Style Designator: without insert or liner
Surface Treatment Document And Classification: ams 2406 assn std single treatment response inner member
Surface Treatment: chromium inner member

Replaces

The NSN 3120-01-048-0585 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-116-6496	No Name Available	01/01/1982

Frequently Asked Questions

Find quick answers to common questions about bearing: 55591. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-048-0585?: The FSCG of the NSN 3120-01-048-0585 is 3120

Does the NSN 3120-01-048-0585 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-048-0585 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 3120-01-048-0585 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-048-0585 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.