B540DDMILG3278 Airframe Ball Bearing

Comprehensive specifications and application details for: B540DDMILG3278 Airframe Ball Bearing.

Summary

Explore detailed summary information for bearing: B540DDMILG3278. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: B540DDMILG3278
Federal Supply Classification: 3110 Unmounted Antifriction Bearings
(NSN) National Stock Number: 3110-00-018-7451
Item Name Code: 00041
Federal Item Identification Guide: A044A0
Assigment Date: 04/25/1967

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, 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,ball,annular.

0.2810 inches nominal inner ring width, 0.8750 inches nominal bore diameter, 0.2500 inches nominal outer ring width, radial load direction, mil-g-23827 mil spec single material response lubrication material document and classification

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-018-7451 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.8750 inches nominal
Inner Ring Width: 0.2810 inches nominal
Load Direction: radial
Lubrication Material Document And Classification: mil-g-23827 mil spec single material response
Outer Ring Width: 0.2500 inches nominal
Overall Outside Diameter: 1.3125 inches nominal
Material: plastic polytetrafluoroethylene seal
Material: steel ball
Material: steel inner ring
Material: steel outer ring
Shield Quantity: 2
Standard Tolerance Designation: afbma std tolerance for airframe ball bearings
Style Designator: single row inner ring extended both sides
Surface Treatment: cadmium all external/exposed metal surfaces

Replaces

The NSN 3110-00-018-7451 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3110-00-293-9227	No Name Available	09/01/1983

Frequently Asked Questions

Find quick answers to common questions about bearing: B540DDMILG3278. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-018-7451?: The FSCG of the NSN 3110-00-018-7451 is 3110

Does the NSN 3110-00-018-7451 have a Schedule B code assigned?: Yes, the Schedule B code is 8482105068

Does NSN 3110-00-018-7451 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 3110-00-018-7451 contain precious materials?: Precious metal content is unknown

Does NSN 3110-00-018-7451 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.