AMF-4DD

View detailed technical data, stock status, and sourcing information for: AMF-4DD
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-555-7224

Item Name Code

00014

Assigment Date

01/01/1963 (63 years ago)

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

0.0420 inches nominal flange width, 0.2500 inches nominal bore diameter, 0.2500 inches nominal inner ring width, 0.6875 inches nominal flange outside diameter, 0.2260 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: 0.2500 inches nominal
Flange Outside Diameter: 0.6875 inches nominal
Flange Width: 0.0420 inches nominal
Outer Ring Width: 0.2260 inches nominal
Inner Ring Width: 0.2500 inches nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Shield Quantity: 2
Load Direction: radial
Bore Shape: straight
Internal Fit-Up Designation: standard
Standard Tolerance Designation: abec no.3
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-23827 mil spec single material response
Material: steel corrosion resisting overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-357-9834	No Name Available	11/01/1983
3110-00-809-3017	No Name Available	12/01/1983
3120-00-911-3851	No Name Available	04/29/1966

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
302-1041P2	Annular Ball Bearing
AMF-4DD	Annular Ball Bearing
AMF4DDFS160	Annular Ball Bearing
AMF4DDMILG3278	Annular Ball Bearing
FB4FFM	Annular Ball Bearing
R321121-4	Annular Ball Bearing
R321121P4	Annular Ball Bearing
RS77NR4H	Annular Ball Bearing
SSF-4ZZRA3P35LG54	Annular Ball Bearing
SSF-4ZZRA3P35LG68	Annular Ball Bearing
SSRS77NR4HZD3E	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-555-7224?

The FSCG of the NSN 3110-00-555-7224 is 3110

Does the NSN 3110-00-555-7224 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-555-7224 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 3110-00-555-7224 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-555-7224 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 3110-00-555-7224 was assigned to the Federal Catalog?

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