K49BK Airframe Ball Bearing

Comprehensive specifications and application details for: K49BK Airframe Ball Bearing.

Summary

Explore detailed summary information for bearing: K49BK. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: K49BK
Federal Supply Classification: 3110 Unmounted Antifriction Bearings
(NSN) National Stock Number: 3110-00-293-8171
Item Name Code: 00041
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 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.

3.0630 inches nominal bore diameter, 4.0000 inches nominal overall outside diameter, 0.4690 inches nominal outer ring width, 0.5310 inches nominal inner ring width, radial load direction

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-293-8171 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 3.0630 inches nominal
Inner Ring Width: 0.5310 inches nominal
Load Direction: radial
Outer Ring Width: 0.4690 inches nominal
Overall Outside Diameter: 4.0000 inches nominal
Material: plastic phenolic retainer
Material: steel ball
Material: steel inner ring
Material: steel outer ring
Special Features: shields removed
Style Designator: single row inner ring extended both sides

Replaces

The NSN 3110-00-293-8171 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3110-00-142-4308	No Name Available	08/27/1969

Frequently Asked Questions

Find quick answers to common questions about bearing: K49BK. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-293-8171?: The FSCG of the NSN 3110-00-293-8171 is 3110

Does the NSN 3110-00-293-8171 have a Schedule B code assigned?: Yes, the Schedule B code is 8482105068

Does NSN 3110-00-293-8171 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 3110-00-293-8171 contain precious materials?: Precious metal content is unknown

Does NSN 3110-00-293-8171 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.