305604

View detailed technical data, stock status, and sourcing information for: 305604
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-131-2990

Item Name Code

30213

Assigment Date

05/07/1982 (44 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

35.00 millimeters nominal bore diameter, 62.00 millimeters nominal overall outside diameter, 28.00 millimeters nominal overall width, ground surface finish, unable to decode lubrication material

Product Characteristics

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

Overall Width: 28.00 millimeters nominal
Bore Diameter: 35.00 millimeters nominal
Overall Outside Diameter: 62.00 millimeters nominal
Lubrication Material: unable to decode
Surface Finish: ground
Retainer Fabrication Method: machined
Seal Quantity: 2
Bearing Seal Type: contact
Load Direction: angular
Bearing Preload Designation: light
Standard Tolerance Designation: abec no.7
Bearing Preload Rating: 20.0 pounds nominal
Special Features: pair of bearings w/faces ground for universal duplex mtg; counterbored inner ring and deep groove outer ring; inward convergent; seal located on side opposite low shoulder of inner ring,1 each bearing
Lubrication Material Document And Classification: beacon 325,fscm 29700 mfr ref single material response
Material: unable to decode

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
172705	Duplex Ball Bearing
2MM9107WOPCRDULFS160B	Duplex Ball Bearing
305604	Duplex Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-131-2990?

The FSCG of the NSN 3110-01-131-2990 is 3110

Does the NSN 3110-01-131-2990 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105068

Does NSN 3110-01-131-2990 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 3110-01-131-2990 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-131-2990 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 3110-01-131-2990 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, May 7, 1982