KP21BFS428

Comprehensive specifications and application details for: KP21BFS428 Airframe Ball Bearing.

Summary

Explore detailed summary information for bearing: KP21BFS428. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
KP21BFS428
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-01-037-6208
Item Name Code
00041
Federal Item Identification Guide
A044A0
Assigment Date
03/21/1977

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-23827 mil spec single material response lubrication material document and classification, 0.4370 inches nominal inner ring width, contact bearing seal type, 1.3130 inches nominal bore diameter, radial load direction

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-01-037-6208 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bearing Seal Type
contact
Bore Diameter
1.3130 inches nominal
Inner Ring Width
0.4370 inches nominal
Load Direction
radial
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
2.0625 inches nominal
Material
steel comp e52100 ball
Material
steel comp e52100 inner ring
Material
steel comp e52100 outer ring
Special Features
80 pct full of lube
Seal 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

Frequently Asked Questions

Find quick answers to common questions about bearing: KP21BFS428. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-01-037-6208?
The FSCG of the NSN 3110-01-037-6208 is 3110
Does the NSN 3110-01-037-6208 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105068
Does NSN 3110-01-037-6208 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 3110-01-037-6208 contain precious materials?
Precious metal content is unknown
Does NSN 3110-01-037-6208 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 3110-01-037-6208 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Mon, Mar 21, 1977

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