KP25B

View detailed technical data, stock status, and sourcing information for: KP25B

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KP25B
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-042-0446
Item Name Code
00041
Assigment Date
01/13/1972 (54 years ago)

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.

2.3125 inches nominal overall outside diameter, 1.5630 inches nominal bore diameter, 2 seal quantity, 0.4370 inches nominal inner ring width, 0.3750 inches nominal outer ring width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Bore Diameter
1.5630 inches nominal
Overall Outside Diameter
2.3125 inches nominal
Outer Ring Width
0.3750 inches nominal
Inner Ring Width
0.4370 inches nominal
Seal Quantity
2
Bearing Seal Type
contact
Load Direction
radial
Standard Tolerance Designation
afbma std tolerance for airframe ball bearings
Special Features
80 pct full lubricant
Lubrication Material Document And Classification
mil-g-81322 mil spec single material response
Material
plastic polytetrafluoroethylene seal
Material
steel corrosion resisting retainer
Material
steel comp e51100 or steel comp e52100 ball
Material
steel comp e52100 inner ring
Material
steel comp e52100 outer ring
Material Document And Classification
66 fed std all material responses 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 or ams 3666 assn std single material response seal
Material Document And Classification
qq-p-416,ty 1,cl 2 fed spec single material response all external/exposed metal surfaces
Surface Treatment
cadmium all external/exposed metal surfaces
Style Designator
single row inner ring extended both sides

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
10107319 Airframe Ball Bearing
9408308404 Airframe Ball Bearing
KP25B Airframe Ball Bearing
KP25BFS464 Airframe Ball Bearing
MS27642-25 Airframe Ball Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3110-00-042-0446?
The FSCG of the NSN 3110-00-042-0446 is 3110
Does the NSN 3110-00-042-0446 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105068
Does NSN 3110-00-042-0446 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 3110-00-042-0446 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-042-0446 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 3110-00-042-0446 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Thu, Jan 13, 1972

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