3L28

View detailed technical data, stock status, and sourcing information for: 3L28
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-144-8972

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.

140.00 millimeters nominal bore diameter, ground surface finish, 120.00 millimeters nominal overall outside diameter, 33.0 millimeters nominal overall width, pressed retainer fabrication method

Product Characteristics

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

Overall Width: 33.0 millimeters nominal
Bore Diameter: 140.00 millimeters nominal
Overall Outside Diameter: 120.00 millimeters nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Load Direction: radial
Bore Shape: straight
Internal Fit-Up Designation: standard
Standard Tolerance Designation: abec no.1
Material: steel overall
Style Designator: non-loading groove, non-separable
Nondefinitive Spec/Std Data: 111 type and 1 class and 00 grade
Departure From Cited Designator: as modified by overall outside diameter,as modified by overall width

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
3L28	Annular Ball Bearing
3L28ND	Annular Ball Bearing
FF-B-171/03-J28A2E	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-144-8972?

The FSCG of the NSN 3110-00-144-8972 is 3110

Does the NSN 3110-00-144-8972 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-144-8972 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 3110-00-144-8972 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-144-8972 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 3110-00-144-8972 was assigned to the Federal Catalog?

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