SA5-20A Airframe Roller Bearing

Comprehensive specifications and application details for: SA5-20A Airframe Roller Bearing.

Summary

Explore detailed summary information for bearing: SA5-20A. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: SA5-20A
Federal Supply Classification: 3110 Unmounted Antifriction Bearings
(NSN) National Stock Number: 3110-00-278-6704
Item Name Code: 00046
Federal Item Identification Guide: A044A0
Assigment Date: 01/01/1963

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened roller, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes:bearing,roller,cylindrical.

0.5580 inches nominal inner ring width, contact bearing seal type, grease lubrication material, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, mil-g-23827 mil spec single material response lubrication material document and classification

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-278-6704 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bearing Seal Type: contact
Bore Diameter: 0.3120 inches minimum and 0.3125 inches maximum
Inner Ring Width: 0.5580 inches nominal
Lubrication Material Document And Classification: mil-g-23827 mil spec single material response
Lubrication Material: grease
Outer Ring Width: 0.3750 inches nominal
Overall Outside Diameter: 1.2495 inches minimum and 1.2500 inches maximum
Material Document And Classification: mil-s-7420 mil spec single material response inner ring
Material Document And Classification: mil-s-7420 mil spec single material response outer ring
Material Document And Classification: mil-s-7420 mil spec single material response roller
Material Document And Classification: qq-s-763 fed spec single material response shield
Material: rubber butadiene-acrylonitrile class nbr seal
Material: steel comp 430 shield
Material: steel comp e52100 inner ring
Material: steel comp e52100 outer ring
Material: steel comp e52100 roller
Seal Quantity: 2
Shield Quantity: 2
Special Features: steel retaining ring;lubricant hole and grove in outer ring od; 10 degreealignment in either direction
Style Designator: concave roller, double closure, self aligning
Surface Treatment: cadmium all external/exposed metal surfaces

Frequently Asked Questions

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What is the FSCG of the NSN 3110-00-278-6704?: The FSCG of the NSN 3110-00-278-6704 is 3110

Does the NSN 3110-00-278-6704 have a Schedule B code assigned?: Yes, the Schedule B code is 8482800080

Does NSN 3110-00-278-6704 require demilitarization?: Usml items - mutilation to the point of scrap required worldwide. (note 7).

Does NSN 3110-00-278-6704 contain precious materials?: Precious metal content is unknown

Does NSN 3110-00-278-6704 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.