K49BK

View detailed technical data, stock status, and sourcing information for: K49BK
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-293-8171

Item Name Code

00041

Assigment Date

01/01/1963 (63 years ago)

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

Product Characteristics

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

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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

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

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
K49BK	Airframe Ball Bearing
K49BKC1	Airframe Ball Bearing
K49BKFS160	Airframe Ball Bearing
K49BKMILG3278	Airframe Ball Bearing
M5117680	Airframe Ball Bearing
M5117680-1	Airframe Ball Bearing
NB1321	Airframe Ball Bearing

FAQs

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

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.

When the NSN 3110-00-293-8171 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963