MB539DD

Comprehensive specifications and application details for: MB539DD Airframe Ball Bearing.

Summary

Explore detailed summary information for bearing: MB539DD. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
MB539DD
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-01-069-2768
Item Name Code
00041
Federal Item Identification Guide
A044A0
Assigment Date
12/12/1978

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.

mil-g-81322 mil spec single material response lubrication material document and classification, 0.2785 inches minimum and 0.2810 inches maximum inner ring width, 0.7495 inches minimum and 0.7500 inches maximum bore diameter, radial load direction, contact bearing seal type

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-01-069-2768 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bearing Seal Type
contact
Bore Diameter
0.7495 inches minimum and 0.7500 inches maximum
Inner Ring Width
0.2785 inches minimum and 0.2810 inches maximum
Load Direction
radial
Lubrication Material Document And Classification
mil-g-81322 mil spec single material response
Lubrication Material
grease
Outer Ring Width
0.2450 inches minimum and 0.2500 inches maximum
Overall Outside Diameter
1.1870 inches minimum and 1.1875 inches maximum
Material Document And Classification
66 fed std single material response ball
Material Document And Classification
66 fed std single material response inner ring
Material Document And Classification
66 fed std single material response outer ring
Material Document And Classification
ams 3652 assn std single material response seal
Material
plastic polytetrafluoroethylene seal
Material
steel comp e52100 ball
Material
steel comp e52100 inner ring
Material
steel comp e52100 outer ring
Special Features
80 pct full of specified lubricant,heat stabilized for continuous operation at 250 deg f,all external surfaces except bore and seal retainers cadmium plated per qq-p-416,type 1,class 2
Seal Quantity
2
Style Designator
single row inner ring extended both sides

Frequently Asked Questions

Find quick answers to common questions about bearing: MB539DD. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-01-069-2768?
The FSCG of the NSN 3110-01-069-2768 is 3110
Does the NSN 3110-01-069-2768 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105068
Does NSN 3110-01-069-2768 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 3110-01-069-2768 contain precious materials?
Precious metal content is unknown
Does NSN 3110-01-069-2768 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 3110-01-069-2768 was assigned to the Federal Catalog?
It was assigned 46 years ago, on Tue, Dec 12, 1978

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Inner Bearing Ring